IBM Number Series
1st:-
1) .7 , 1.2, 1.2 , 2.2 , 1.7, 3.2, 2.2, 4.2 , ? .7+.5=1.2+.5=1.7 .7+.5=1.2+ .5=1.7 ans 2.7
2) 81, 9^2, 162, 49, 7^2, 98, 25, 5^2, 50, 64, 8^2 ? 81*2=162 so,ans = 64*2= 128
3) 1, 1, 2, 4 , 6, 36, 39, 1521, ? 1+1=2 4+2=6 36+3=39 1521+4= 1525 (ans)
4) 2, 3, 10, 15, 26, 35,50, ? 5) 2, 8, 3, 27, 4, 64, 5, 125, 6, 216, ? See alternate no.s -> 2, 3, 4.ans=7
6) 2, 3, 6, 13, 28, ? *2-1, *2+0, *2+1.ans= 28*2+3= 59
7) 38, 36, 76, 35, 114, 34, ? Alternate -> 38+38=76 76+38=114 114+38=152 114+38=1 52 (ans)
8) 1/5, 1/2, 1/3, 2/5 , 1, 2/3,3/5, 3/2, 1, 4/5, ? Alternate starting with 1/2 ; skip 2 and � -> 1/2, 1, 3/2 , 2 (ans =2)
9) 96, 64, 128, 192, 128, 256, 288, 192, ? Break such questions like this (96, 64, 128,) (192, 12 8, 256,) (288, 192, ?) First*2=second set\'s numbers. First*3= third set. Ans=128* Ans=128*3 3
10) 1370, 1320, 1070, -180, ? difference -> -50, -250, -1250 -> 50*5, 250*5, next will be -1250*5
11) 3, 2, 1, 4, 5, 4, 5, 1, 0, 6, 3, 2, ? 3,( 2, 1), 4,( 5, 4), 5, (1, 0), 0) , 6, (3, ?) second term one less . so ans = 2
12) 1 1 1 2 2 2 3 4 3 3 5 6 ? (1 1) 1 2 (2 2) 3 4 (3 3) 5 6 ? ans=4
13) 507, 169, 248, 62, 36, 12, 168, 42, 168 ? (507= 169*3), 248, 62, (36=12*3), 168, 42, (168=x*3)-> x=56 (ans)
14) 7.2, 2.2, 3.2, 16, 11, 12, 60, 55, 56, ? 7.2 + 8.8= 16+ 44= 60 + 2.2= 62.2 (ans) [not [ not sure abt answer]
15) 2, 6, 5, 14, 11, 26, 17 , ? Alternate starting with first: +3 , +6 , +6 Now starting with second number: +8, +12 , +12 . so ans = 26+12
16) 115, 100, 86, 74, 65, 60, ? Difference : 15, 14, 12,9, 5 Now difference difference of these : 1, 2, 3, 4, next next 5 So 5-5=0 Ans=60-0=60
17) 8 5 9 7 2 25 5 1 16 8 6 ? (8 -5=3 ) -> 3^2=9 (7-2=5)->5^2= (7-2=5)->5^2= 25 5 1 16 (8- 6=2) so answer 2^2=4
18) -5 1 -11 23 29 17 -20 -14 ? -5 (1 -12=-11) 23 (29 -12=17) -20 (-14 -12=-26) ans=-26 nd
2 :-
1. 19,24,20,25,21,26,?
ans : 22
2. 11,14,12,15,13,16,?
ans : 14
3. 10,2,8,2,6,2,?
ans : 4
4. 8,9,11,14,,18,23,?
ans : 29
5. 25,25,22,22,19,19,?
ans : 16
6. 14,2,12,4,10,6,?
ans : 8
7. 7,16,9,15,11,14,?
ans : 13
8. 40,42,39,44,38,46,?
ans : 37
9. 3,18,4,24,5,30,?
ans : 6
10. 18,20,22,20,28,20,?
ans : 22
11. 18,20,10,12,4,6?
ans : 0
12. 7,6,8,5,3,7,?
ans : 4
13 9,18,21,25,20,?
ans : 30
14 3,3,4,8,10,36,?
ans : 33
15.30,28,25,20,34,28,?
ans : 21
16. 4,8,16,32,64,128,?
ans: 256
17. 8,16,24,32,40,48,?
ans: 56
18. 13,11,14,12,15,13,?
ans : 16
19. 6,18,36,108,216,648,? ans : 1296 20. 4,4,8,8,16,16,?
ans : 32
21. 2,6,18,54,162,486,?
ans : 1458
22. 4,20,35,49,62,74,?
ans : 85
23. 10, 18, 15, 23, 20, 28?
ans : 25
24. 4, 10, 8, 14, 12, 18,?
ans : 16
25. 10, 15, 12, 17, 14, 10?
ans : 16
3rd:-
1. 2,5,9,1,5,10,3,8,?
2. 63/4,16,26,46/5,9,19,194/3,65,75,243/8,?
3. 4,2,4,8,6,8,16,?
4. 48,24,35,7,16,8,75,15,8,40?
5. 9,4,16,6,36,21,441,?
6. 49,7,98,16,4,48,9,3,36,25,5,?
7. 5,6,6.5,6.5,8,7,9.5,?
8. 9,15,26/3,29/2,25/3,14,8,27/2,?
10. 1,2,3,6,11,20,37,68,?
11. 1,1,1,2,2,2,3,4,3,3,5,6,?
12. 11 ,8 ,17 ,14 ,23 ,24 ,31 ,32, ? 4th:-
1) *2,6,12,20,_ 2) *2,6,14,26,_ 3)*21,22,21,22,23,22,23,24,,23,24_
4)*SS XX __ EE GG 5)*s_ts_tt_st_s 6)*17,36,76,_,324 7)*13,24,37,54,73,96,__ 8)*3,8,24,48,120,_ 9)*117,104,91,78,_ 10)*67,68,73,62,79,56,_ 11)*3,26,15,124,_ 12)*10,15,12,17,14,10,_ 13)*30,28,25,20,34,28,_ 14) *18,20,22,20,28,20,_ 15)*19,24,20,25,21,26,_ 16)*40,41,41,42,42,42,44,44,_ 17)*15,29,56,108,208,_ 18)*11,13,17,23,31,41_ 19)*23,35,47,59,71,83,95,107,119_ 20)*198,194,184,168_
th
5 :-
1) 1,3,5,9,17,33 2) 1,-1,2,-6,2,-2,4,-12,3 3) 4,64,1,1,3,27,2 4) 1.25,9,22.5,0.75,8.5,22,0.25,8 5) 44,4.4,0.88,0.264,0.1056 6) 11,17,-6,-13,24,30,-19,-26,20 7) 2,3,10,15,26,35,50 8) 7,-35,-34,-3,15,16,4,-2 9) 2,3,6,13,28 10) 8.2, 3.9,12.1,6.2,4.4,10.6,4.2,4.9,9.1,2.2,5.4 11) 1,1/2,3/2,2,5,1/3,16/3,15,12,1/4,49/4,7 12) 1/2,5/4,2,11/4,7/2 13) 5,50,10,40,15,30,20,20 14) 2,1,3,4,3,5,6,5,7,8 15) 6,9,18,6,36,3,54 16) 8,27,64,125,216 17) 6.5,8,8,12,9.5,24,11,36 18) 7/6,3/2,11/6,13/6,5/2 19) 369,12,15,18 [it may be not the right one] th
6 :
1. 1 ,3 ,1 ,2.5 ,5 ,1 ,4 ,5 ,4 ,8 ,7 2. A series like this 41.45 ,41.5 ,42 ,18.23 ,18.2 ,18 3. 11 ,8 ,17 ,14 ,23 ,24 ,31 ,32 4. 4 ,3 ,144 ,1.5 ,2 ,9 ,3.2 ,2 5. 4.2 ,7.2 ,11.4 ,6.1 , 9.1 , 15.2 ,3.8 , 6.8 6. 1/5 , 1/2 , 1/3 , 2/5 ,1, 2/3, 3/5, 1 1/2 ,1, 4/5 7. 5, 1, 2, 8, 8, 1, 0, 9, 9, 2, 3
8. 5, 1, 2, 8, 1, 0, 9, 2, 3, 14, 1, 3 9. 6, 3, 3, 9, 12, 5, 7, 35, 8, 6, 2 10. 24, 42, 1/2, 2, 65, 56, 1 1/5, 5/6, 73, 37 11. 4, 2, 5, 9, 5, 11, 13, 7, 16, 17, 9 12. 8, 16, 3, 27, 4, 8, 7, 19, 2, 0, 7 13. 5/6, 1/3, 1/2, 1/2, 2/8, 1/4, 5/6, 1/6, 2/3, 1/2, 1/3 14. 115, 100, 86, 74, 65, 60 15. 100, 98, 95, 90, 83 16. 0, 8, 12, 26, 23 17. 7.2, 2.2, 3.2, 16, 11, 12, 60, 55, 56 18. 18, 24, 5, 21, 8, 27, 17, 23, 4, 24, 30
1) .7 , 1.2, 1.2 , 2.2 , 1.7, 3.2, 2.2, 4.2 , ? .7+.5=1.2+.5=1.7 ans 2.7
2) 81, 9^2, 162, 49, 7^2, 98, 25, 5^2, 50, 64, 8^2 ? 81*2=162 so,ans = 64*2= 128
3) 1, 1, 2, 4 , 6, 36, 39, 1521, ? 1+1=2 4+2=6 36+3=39 1521+4= 1525 (ans)
4) 2, 3, 10, 15, 26, 35,50, ? 5) 2, 8, 3, 27, 4, 64, 5, 125, 6, 216, ? See alternate no.s -> 2, 3, 4.ans=7
6) 2, 3, 6, 13, 28, ? *2-1, *2+0, *2+1.ans= 28*2+3= 59
7) 38, 36, 76, 35, 114, 34, ? Alternate -> 38+38=76 76+38=114 114+38=152 (ans)
8) 1/5, 1/2, 1/3, 2/5 , 1, 2/3,3/5, 3/2, 1, 4/5, ? Alternate starting with 1/2 ; skip 2 and � -> 1/2, 1, 3/2 , 2 (ans =2)
9) 96, 64, 128, 192, 128, 256, 288, 192, ? Break such questions like this (96, 64, 128,) (192, 128, 256,) ( 288, 192, ?) First*2=second set\'s numbers. First*3= third set. Ans=128*3
10) 1370, 1320, 1070, -180, ? difference -> -50, -250, -1250 -> 50*5, 250*5, next will be -1250*5
11) 3, 2, 1, 4, 5, 4, 5, 1, 0, 6, 3, 2, ? 3,( 2, 1), 4,( 5, 4), 5, (1, 0), 6, (3, ?) second term one less . so ans = 2
12) 1 1 1 2 2 2 3 4 3 3 5 6 ? (1 1) 1 2 (2 2) 3 4 (3 3) 5 6 ? ans=4
13) 507, 169, 248, 62, 36, 12, 168, 42, 168 ? (507= 169*3), 248, 62, (36=12*3), 168, 42, (168=x*3)-> x=56 (ans)
14) 7.2, 2.2, 3.2, 16, 11, 12, 60, 55, 56, ? 7.2 + 8.8= 16+ 44= 60 + 2.2= 62.2 (ans) [not sure abt answer]
15) 2, 6, 5, 14, 11, 26, 17 , ? Alternate starting with first: +3 , +6 , +6
Now starting with second number: +8, +12 , +12 . so ans = 26+12
16) 115, 100, 86, 74, 65, 60, ? Difference : 15, 14, 12,9, 5 Now difference of these : 1, 2, 3, 4, next 5 So 5-5=0 Ans=60-0=60
17) 8 5 9 7 2 25 5 1 16 8 6 ? (8 -5=3 ) -> 3^2=9 (7-2=5)->5^2= 25 5 1 16 (8- 6=2) so answer 2^2=4
18) -5 1 -11 23 29 17 -20 -14 ? -5 (1 -12=-11) 23 (29 -12=17) -20 (-14 -12=-26) ans=-26
a)3,7,10,8,4,12,0,5,5,3,2,? Ans:(Divide the 3 elements into one group ) 3+7=10,8+4=12,0+5=5,so 3+2=5 is the answer.
b)0,1,1,2,0.5,2,2,4,2,2,4,3,7,2,?
c)1,1,2,4,6,36,39,1521,?
d)7,4,6,3,4.5,1.5,2.25,? Ans: -0.75
e)2,9,5,49,11,169,? Ans:22
f)49,7,98,16,4,48,9,3,36,25,5,?
g)2,6,5,14,11,26,17,? Ans:60
h)7,0,1,8,5,12,9,26,3,23,2,? Ans:28
i)2,3,10,15,26,? Ans:35
j)5,16,22,68,28,87,36,106,11,? Ans:45
k)7776,625,64,9,?
l)13,24,36,23,34,56,33,44,96,43,54,? Ans:116
m)0,1,2,0.5,2,2,2,2,4,3,2,? Ans:3.5
n)18,24,5,21,27,8,17,23,4,24,30,? Ans:9
o)3,5,2,100,4,7,3,196,1,6,5,? Ans:144
p)8,5,9,7,2,25,5,1,16,8,6,? Ans:15
q)-3,6,1,-2,4,-1,-1,2,-3,?
r)1/4,1/4,1/2,3/2,6,? Ans:30
1) 1/4, 1/4, 1/2, 3/2, 6, ?
2) 0.8, 1.8, 3.6, 3.6, 4.6, 9.2, 9.2, 10.2, ?
3) 22, 19.5, 21.45, 33, 30.5, 33.55, 44, 41.5, ?
4) 15 3/4, 16, 26, 9 1/5, 9, 19, 64 2/3, 65, 75, 30 3/8, ?
5) 3, 2, 1, 4, 5, 4, 5, 1, 0, 6, 3, ?
6) 3/2, 2 1/4, 9/4, 7/2, 12 1/4, 49/4, 4/3, 1 1/7, 16/9, ?
7) 18, 24, 5, 21, 27, 8, 17, 23, 4, 24, 30, ?
8) 100, 98, 95, 90, 83, ?
9) 1, 3, 3, 2, 8, 10, 3, 4, 12, 4, 8, ?
10) 49, 7, 98, 16, 4, 48, 9, 3, 36, 25, 5, ?
11) 9, 12, 4, 8, 12, 15, 5, 9, 3, 6, 2, 6, 6, 9, ?
12) 5/6, 1/3, 1/2, 1/2, 2/8, 1/4, 5/6, 1/6, 2/3, 1/2, 1/3, ?
13) 33, 8, 41, 21, 67, 72, 47, 119, 124, ?
14) 1/7, 3/4, 4/9, 5/6, 7/11, 7/8, ?
15) 7, 4, 6, 3, 4.5, 1.5, 2.25, -0.75, ?
1) 1,2,3,6,11,20,37,68,_____ (sum of previous two+ current face value Ans=20+37+68)
2)9,3,24,4,9,3,36,6,9,3,30,____ (pattern is x*3,x*6 Ans=5)
3)44,4.4,.88,.264,0.1056,____ (x*.1,x*.2,x*.3.....Ans=0.5*0.1056)
4)38,36,76,35,114,34,____ (Ans=38*4)
5)-12,6,-15,-5,28,-14,9,3,-18,____ (Ans=9)
6)5,1,2,8,8,1,0,9,9,2,3,______ (Ans=14)
7)56,89,33,21,57,88,35,19,60,85,30,____ (Ans=24)
8)3,4.5,7,4,6,5.5,5,7.5,10,6,______ (Ans=9.0)
9)7,-35,-34,-3,15,16,4,________ (Ans=-20)
10)11,8,17,14,23,24,31,32,______ (Ans=43)
11)1.8,3,0.6,2.5,5,0.5,3.4,2,1.7,____ (Ans=4.5)
12)1,2,3,611,20,37,68,________ (This question got repeated for me twice same as 1)
13)9,3,6,21,9,12,33,15,________ (Ans= 33-15)
14)-16,-8,4,24,12,-6,-40,_______ (Ans=-20)
15)4.2,26.0,8.9,8.4,52.0,17.8,16.8,104.0,_______ (Ans=17.8*2)
16)340,680,1428,3141.6,________
17)7,-14,-4,15,-30,-20,-21
1)8,0.5,16,4,15,0.3,50,4.5,6,0.2,30,? 2)9,4,16,6,36,21,441,?
Ans:421
3)4,2,5,9,5,11,13,7,16,17,9,? 4)33,8,41,46,21,67,72,47,119,124,? 5)3,2,1,4,5,4,1,0,6,3,? 6)30.5,31,30,0,67.2,67,70,100,183.9? 7)48,24,35,7,16,8,75,15,80,40,? 8)1.8,3,0,6,2.5,5,0.5,3.4,2,1.7,4.8,6,? Ans=0.8 9)1370,1320,1070,-180,?
-> 9,3,24,4,9,3,36,6,9,3,30,? -> 52,62,42,78,89,68,49,61,39,63,76,? -> -16,-8,4,24,12,-6,-40,? -> 49,6,25,4,36,5,81,5,? -> 9,3,6,21,9,12,33,15,18,? -> 12,3,15,14,6,19,9,23,18,12,? -> -15,-14,34,32,-42,-39,58,54,-61,?
-> 38,36,76,35,114,34,? -> 30.5,31,30,0,67.2,67,70,100,183.9,? -> 11,8,17,14,23,24,31,32,? -> 10,12,-36,-7,-5,15,19,21,? -> 44,4.4,0.88,0.264,0.1056,? -> 11.5,17.5,35.5,89.5,? -> 2,3,10,15,26,35,50,? -> 1/3,1/2,1/4,2 1/3,3 1/2, 4 1/4, 4 1/3, 6 1/2,? -> 1.25,3,7.1,1.5,1,8.1,1.75,-1,9.1,0.75,2. 00 -> 5,1,2,8,1,0,9,2,3,14,1.3,2,? 7th:
1) .7, 1.2, 1.2, 2.2, 1.7, 3.2, 2.2, 4.2, ?
2) 2, 3, 10, 15, 26, 35, 50, ?
3) 1370, 1320, 1070, -180, ?
4) 507, 169, 248, 62, 36, 12, 168, 42, 168 ?
5) 115, 100, 86, 74, 65, 60, ?
6) 49, 7, 98, 16, 4, 48, 9, 3, 36, 25, 5, ?
7) 1, 3, 3, 2, 8, 10, 3, 4, 12, 4, 8, ?
8) 7, 4, 6, 3, 4. 5, 1. 5, 2. 25, ?
8th:-
1. 19,24,20,25,21,26,? Ans:22
2. 11,14,12,15,13,16,? Ans: 14
3. 10,2,8,2,6,2,? Ans: 4
4. 8,9,11,14,,18,23,? Ans:29
5. 25,25,22,22,19,19,? Ans:16
6. 14,2,12,4,10,6,? Ans8
7. 7,16,9,15,11,14,? Ans13
8. 40,42,39,44,38,46,? Ans37
9. 3,18,4,24,5,30,? Ans6
10. 18,20,22,20,28,20,?
Ans22
11. 18,20,10,12,4,6? Ans0
12. 7,6,8,5,3,7,? Ans4
13 9,18,21,25,20,? Ans30
14 3,3,4,8,10,36,? Ans33
15.30,28,25,20,34,28,? Ans21
16. 4,8,16,32,64,128,? Ans256
17. 8,16,24,32,40,48,? Ans56
18. 13,11,14,12,15,13,? Ans16
19. 6,18,36,108,216,648,? Ans1296
20. 4,4,8,8,16,16,?
Ans32
21. 2,6,18,54,162,486,? Ans1458
22. 4,20,35,49,62,74,? Ans85
23. 10,18,15,23,20,28,? Ans25
24. 4,10,8,14,12,18,? Ans16
25 10,15,12,17,14,10,? Ans16 IBM Aptitude 1st:
1. like 3 consecutive prime adds to some no what is that Ans: both 49 and 59.
2. one person traveled 4 laps with the speed of 10,20,40 ( or 30) and 60 kmph and what is the average speed. Ans: 20 (sure)
3.like one student takes 20 mins if he go with speed 15kmph and at what speed he should go to reach in 15 mins ( nos are not same) Ans: 16kmph( but not sure)
4. there are 2 type of people group 'yes' who always says yes ( they never say 'no') if they are not sure about they will remain silent. and other group name 'no' where the group of people always say 'no' if they are not sure they will remain silent. that's it now questions are 1) what will be the answer if i ask are u belong to group 'yes' options are: they remain silent ,say yes, say no, either yes or no, can't be determined 2) same question but if i ask are u belong to group 'no' answers for both above questions are not ( not determined) 3) what will the other person say if ask are u belong to group 'yes' and etc there were 5 questions first 4 u can do it last one little bit tough. spend some time on this u can do it.
5.Like from height of 8 mts on ball fell down and each time it bounces half the distance back. so what will be the distance traveled Ans: 24 (sure) like 8+4+4+2+2+1+1+0.5+0.5+ and etc ..
6.like 6 cubes are arranged adjacently and given the perimeter and asked to find the perimeter of one cube.
Ans: if x is the total perimeter then (x/14)*4 leads to the answer. but check it once u will be having plenty of time. answer is 52 (13*4)
7. some data is given like this 10kmph in still water ship took some x mins and downstream some y mins in same time what is the stream value .... (q is not exat) Ans: 3 (not sure)
8.some average problem like 16 students average weight and teacher joins them .... Ans: 23 (sure) do this (16x+40)/(x+1) will give the value.
9. some problem on square like to increase area by 69% by what percent side should be increased Ans: square root of 169 i.e 13 ( not sure)
10. no of rational nos b/w 0 and 5 Ans: infinite
11. First day of 1999 is Sunday what day is the last day Ans: Monday
12. bullets problem some x no of bullets are shared by 3 people equally . and each fired 4 bullets then the sum of remaining bullets is equal to initially division value Ans: 18 (sure)
13. bread problem, one come and eat half no of breads and something... Ans: 63( check it)
14. like A can do in 6 day and B can do in 8 and C can do in 12 days but b left after working for 6 days for how many no of day A and C shluld work Ans: 11 2nd:-
1.A clerk multiplied a number by ten when it should have been divided by ten.The ans he got was 100.what should the ans have been? Ans: 1
2.If Rs20/- is available to pay for typing a research report & typist A produces 42 pages and typist B produces 28 pages.How much should typist A receive? AnsRs12/-
3.The average salary of 3 workers is 95 Rs. per week. If one earns Rs.115 and second earns Rs.65 how much is the salary of the 3rd worker. Ans.105.
4.A 16 stored building has 12000 sq.feet on each floor. Company A rents 7 floors and company B rents 4 floors. What is the number of sq.feet of unrented floor space. Ans. 60000
5. During a given week A programer spends 1/4 of his time preparing flow chart, 3/8 of his time coding and the rest of the time in debugging the programs. If he works 48 hours during the week , how many hours did he spend debugging the program. Ans. 18.
6. A company installed 36 machines at the beginning of the year. In March they installed 9 additional machines and then disconnected 18 in August. How many were still installed at the end of the year. Ans. 27
7. A man owns 2/3 of the market research beauro business and sells 3/4 of his shares for Rs. 75000. What is the value of Business. Ans.150000
8. If 12 file cabinets require 18 feet of wall space, how many feet of wall space will 30 cabinets require? Ans. 45
9.A computer printer produced 176,400 lines in a given day. If the printer was in operation for seven hours during the day, how many lines did it print per minute? Ans.420
10. From its total income, A sales company spent Rs.20,000 for advertising, half of the remainder on commissions and had Rs.6000 left. What was its t otal income? Ans.32000
11. On Monday a banker processed a batch of cheques, on Tuesday she processed three times as many, and on Wednesday she processed 4000 cheques. In the three days, she processed 16000 cheques. How many did she process on Tuesday? Ans. 9000
12. The cost of four dozen proof machine ribbons and five dozen accouting machine ribbons was Rs.160/-. If one dozen accounting machine ribbons cost Rs.20/-, what is the cost of a dozen proof machine ribbons? Ans. Rs.15
13. If a clerk can process 80 cheques in half an hour, how many cheques can she process in a seven and one half hour day? Ans.1200
14. In a library, there are two racks with 40 books per rack. On a given day, 30 books were issued. What fraction remained in the racks? Ans.5/8
15. The average length of three tapes i s 6800 feet. None of the tapes is less than 6400 feet. What is the greatest possible length of one of the other tapes? Ans.7600
16. A company rented a machine for Rs.700/- a month. Five years later the treasurer calculated that if the company had purchased the machine and paid Rs.100/- monthly maintenance charge, the company would have saved Rs.2000/-. What was the purchase price of the machine? Ans. Rs.34000
17. Two computers each produced 48000 public utility bills in a day. One computer printed bills at the rate of 9600 an hour and the other at the rate of 7800 an hour. When the first computer finished its run, how many bills did the other computer still have to print?
Ans. 9000
18. If a salesman s average is a new order every other week, he will break the office record of the year. However, after 28 weeks, he is six orders behindschedule. In what proportion of the remaining weeks does he have to obtain a new order to break the record? Ans. 3/4
19. On a given day, a bank had 16000 cheques returned by customers. Inspection of the first 800 cheques indicated that 100 of those 800 had errors and were therefore the available immediately for data processing. On this basis, hwo many cheques would be available immediately for data processing on that day? Ans. 14000
20. A company figured it needed 37.8 sq.feet of carpot for its reception room. To allow for waste, it decided to order 20% more material than needed. Fractional parts of sq.feet cannot be ordered. At Rs.9/- a sq.feet, how much would the carpet cost?
a. Rs.324 b) Rs.405 c) Rs.410 d) Rs.414 e) Rs.685
21. A tape manufacturer reduces the price of his heavy duty tape from Rs.30/- to Rs.28/- a reel and the price of a regular tape from Rs.24/- to Rs.23/- a reel. A computing centre normally spends Rs.1440/- a month for tapes and 3/4 of this is for heavy duty tapes. How much will they save a month under the new prices? Ans. Rs.87
22. In a team of 12 persons, 1/3 are women and 2/3 are men. To obtain a team with 20% women
how many men should be hired? Ans. 8
23. The dimensions of a certain machine are 48" X 30" X 52". If the size of the machine is increased proportionately until the sum of its dimensions equals 156",what will be the increase in the shortest side? Ans. 6"
24. In a certain company, 20% of the men and 40% of the women attended the annual company picnic. If 35% of all the employees are man, what percent of all the employees went to the picnic? Ans. 33%
25. It cost a college Rs.0.70 a copy to produce a Program for the homecoming football game. If Rs.15,000/- was received for advertisements in the program, how many copies at Rs.0.50 a copy must be sold to make a profit of Rs.8000/- ? Ans. 35000
