Class-10(NCO) Level 2 2012

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MENTAL ABILITY 1.

A circular paper is folded along its diameter, then again it is folded to form a quadrant. Then it is cut as shown in the figure, after that the paper was reopened in the original circular shape. Find the ratio of the original paper to that of the remaining paper? (The shaded portion is cut off from the quadrant. The radius of quadrant OAB is 5 cm and radius of each semicircle is 1 cm). O B

A

(A) 25 : 16

(B) 25 : 9

(C) 20 : 9

(D) None of these

2.

There are two pockets, each containing 3 numbers of different denominations, which are in A.P. and the total value of numbers in each pocket is 21. The common difference of the first set of numbers is greater than that of the second set by 1, and the product of the first set to the product of the



second set is 8 : 9. Find the value of the numbers of largest denomination, among the six numbers. (A) 9 (B) 8 (C) 11 (D) 10

3.

In the given figure, AD is the external bisector of ∠EAC, intersects BC



produced to D. If AB = 12 cm, AC = 8 cm and BC = 4 cm, find CD. (A) 10 cm (B) 6 cm (C) 8 cm (D) 9 cm

4.

In the given figure, a square dartboard is shown. The length of a side of the

A

B

larger square is 1.5 times the length of a side of the smaller square. If a dart



(B)

C

D

D

is thrown and lands on the larger square. What is the probability that it will land in the interior of the smaller square? 5 (A) 9

E

4 9

C S

R

P

Q



2 (C) 3

5.

When (x3 – 2x2 + px – q) is divided by (x2 – 2x – 3), the remainder is (x – 6). The values of p and



q are _______. (A) p = –2, q = – 6

6.

There are two circles each with radius 5 cm. Tangent CB



is 26 cm. The length of tangent CD is __________. (A) 15 cm (B) 21 cm (C) 24 cm (D) None of these

7.

A man on the top of a rock rising on a seashore observes a boat coming towards it. If it takes 10

(B) p = 2, q = – 6

(D) 9 5

A

(C) p = – 2, q = 6

B

(D) p = 2, q = 6 B

C

D

minutes for the angle of depression to change from 30° to 60°, how soon the boat reach the shore (If the distance is travelled at the same speed)?

(A) 10 minutes

(B) 5 minutes

(C) 6 minutes

(D) 15 minutes

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The area of a triangle is 5 sq. units. Two of its vertices are (2, 1) and (3, –2). The third vertex lies on y = x + 3. Find the third vertex.  3 3 (B)  − ,   2 2

(C)  8 , −5  2 2 



(A)  7 , 13    2 2

9.

Water flows at the rate of 5 m per min from a cylindrical pipe 8 mm in diameter. How long will it

(D) Both (A) and (B)

take to fill up a conical vessel whose radius is 12 cm and depth 35 cm?

(A) 315 sec

(B) 365 sec

(C) 5 mins

(D) None of these

10. If cosecq – sinq = l and secq – cosq = m, then l2m2 (l2 + m2 + 3) = _________.

(A) 0

(B) 1

(C) – 1

(D) 2

Logical and Analytical Reasoning 11. There are five persons P, Q, R, S and T. One is a football player, one is a chess player and one is a hockey player. P and S are unmarried ladies and do not participate in any game. None of the ladies plays chess or football. There is a married couple in which T is the husband. Q is the

brother of R and is neither a chess player nor a hockey player. Who is the football player? (A) P (B) Q (C) R (D) S

12. How many such pairs of digits are there in the number 95137248 each of which has as many digits

between them in the number as when they are arranged in ascending order? (A) None (B) One (C) Two (D) Three

13. In a certain code language, 'bring the white board' is written as 'ka na di pa' and 'white and black

board' is written as 'na di sa ra'. How is 'the' written in that code? (A) ka (B) pa (C) ka or pa

(D) None of these

14. Read the following information and answer the question given below it.

(i) L, M, N, O, P, Q, R and S are sitting around a circle facing the centre.



(ii) N, who is third to the left of P, is not a neighbour of R and M.



(iii) S is the neighbour of ‘O’ and ‘R’ and is third to the right of M.



(iv) L is not the neighbour of O, who is second to the left of N.



What is the position of Q? (A) Immediate right of R (C) Third to the right of M

(B) Immediate left of N (D) Second to the left of S

15. If the order of letters of each of the following words is reversed then which of the following will be a meaningful word thus formed? If more than one such word can be formed mark ‘S’ as the answer and if no such word can be formed mark ‘X’ as the answer.

(A) RAIL

NAIL, PAIL, RAIL, MADAM, REST (B) PAIL (C) X

(D) S

16. Two different positions of the same dice has been shown below. If digit 1 is on the top what will come just below it? 5

4 (A) 2

(B) 3

6 3

2 (C) 4

3 (D) 5

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3 17. How many triangles are there in the given figure?



(A) 21

(B) 23

(C) 26

(D) None of these

18. Figures (i) and (ii) of the Problem Set bears a certain relationship. Establish a similar relationship between figures (iii) and (iv) by selecting a suitable figure from the options that would replace the question mark in fig.(iv).

Problem Set ? (i)



(A)



(B)



(ii)

(iii)

(iv)

(C)



(D) 1 4 2 7 3 6 5

19. If 'tall' is equivalent to 'circle', 'armymen' to 'triangle' and 'strong' to 'square',

indicate which number will represent only strong Armymen? (A) 3 (B) 4 (C) 5 (D) 6

20. Select a figure from the options which will continue the series established by the Problem Figures. Problem Figures



(A)



(B)



(C)



(D)



computers and information technology 21. A __________ is a predesigned document that already has coordinating fonts and colours, a layout

and a background and can be used to create your own documents. (A) Model (B) Blueprint (C) Template

22.

In MS Excel 2007, what is a scenario? (A) A formula that acts on only those items that meet certain specifications. (B) A version of a worksheet designed to test one of a number of possible outcomes. (C) A word or words that represent one cell or a range of cells. (D) A limit that is set.

23.

The (A) (B) (C) (D)

function of the given icon in MS Excel 2007 is ______. Show more precise values by showing decimal places Display the value of the cell with a thousands separator Choose an alternate currency format for the cell Display the value of the cell with less decimal places

(D) Presentation

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24. To convert scanned text into an editable document, a scanner would employ ________

technology. (A) UPC

(B) Scanning

(C) OMR

(D) OCR

25. Which of the following describes this MS Excel 2007 Menu?



(A) (B) (C) (D)

It It It It

allows you to create a chart based on worksheet data. can be used to apply custom formatting to a number. can be used to apply conditional formatting to cells. can be used to modify a graphic.

26. In an Operating system, __________ are text files containing the OS commands. (A) Boot files (B) Batch files (C) Executable files (D) Help files 27. In MS Excel 2007, if you want to determine how many times column M contains a value of zero

and column N contains a positive number, use the ___________ function. (A) SUMIF (B) SUMIFS (C) COUNTIF (D) COUNTIFS

28. Degauss is a term associated with CRT monitors. What is 'degaussing'? (A) Attachment for a CPU (B) Creating Magnetic media (C) Erasing magnetic media (D) Refreshing monitor memory 29. You (A) (B) (C) (D)

can merge two MS Excel workbooks if __________. Both the workbooks have the same password. Neither of the workbooks contains any tracked changes. All of their cells are locked. Both have been created from the same shared workbook.

30. A language that can be written on one platform and executed on another platform is said to be

__________. (A) Portable

(B) Robust

(C) Fifth generation

(D) Dynamic

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5 31.

What is the correct HTML for referring to an external style sheet? (A) (B)