Maths Form 1 Chapter 5

Chapter 5: Percentages Objective Questions 1 Convert 20 into percentage. 50 A 0.2% B 20%

C 40% D 200%

2 Express 16% as a fraction in its lowest terms. A 16 C 100 B 8 D 50 3 Change 21 into a percentage. 5 A 20% B 215%

4 25 2 20

C 220% D 225%

4 In an examination, 60 out of 200 students failed. What is the percentage of the students who passed? A 30% C 70% B 60% D 120% 5 A class consists of 21 Malay students, 15 Indian students and 4 Chinese students. Calculate the percentage of Chinese students in the class. A 4% C 10% B 8% D 40% 6 The price of a bag is RM150. What is the new price of that bag if the price is reduced by 20%? A RM110 C RM130 B RM120 D RM140 7 Ali bought a digital camera for RM980. Three months later, he sold it to his friend for RM833. Calculate the percentage of loss from the sale of the camera. A 1.47% C 15% B 14.7% D 17% 8 If 80% of x is 20, then the value of x is A 4 B 10

C 16 D 25

9 150% of 30 + 50% of 12 = A 30 B 44

C 51 D 510

10 The table shows the marks scored by a group of students. Calculate the percentage of students who obtained grades C and D. Grade

A

B

C

D

No. of students

12

4

6

18

A 25% B 40%  Arah Pendidikan Sdn Bhd

C 60% D 75% 1

Mathematics Form 1

11 There are 1 000 students in a school. 60% of them are boys. How many of them are girls? A 400 C 800 B 600 D 1 000 12 Choose the true statement. I: RM700 increased by 2% is RM140 II: 2 hours increased by 30% is 156 minutes III: 10 kg decreased by 6% is 9.4 kg A I and II C I and III B II and III D I, II and III 13 Last year, petrol price was RM1.60 per litre. This year, the price increased by 2.5%. What is the petrol price this year? A RM1.04 C RM1.56 B RM1.40 D RM1.64 14 Affin received RM60 as interest after he saved an amount of money in a bank with a simple interest of 2%. How much did he save in the bank? A RM120 C RM1 200 B RM250 D RM3 000 15 Mr. Chew bought a pair of shoes and a T-shirt. He gave RM200 to the cashier. How much money did he receive from the cashier? Item

Shoes

T-shirt

Original price Discount rate

RM90 10%

RM50 15%

A RM16.50 B RM76.50

C RM95.00 D RM123.50

16 Pak Man invests RM20 000 in a unit trust. The unit trust gives a dividend of 5.5% a year. How much dividend will he receive after one year? A RM1 100 C RM21 100 B RM20 092 D RM11 000 17 Which of the following is true? I: If 20% of a number is 60, then the value of the number is 12. II: 21 % of RM200 is RM5. 2 III: If a RM50 item is sold for RM30, then the percentage of discount is 40%. A I and II C II and III B I and III D I, II and III 18 The difference between 40% of 80 and 70% of 30 is A 11 C 32 B 21 D 53 19 Which of the following is equal to 0.4? A 20% B 40%

C 60% D 80%

20 A dining table is sold at RM245 after a discount of 30%. What is the original price before discount? A RM73.50 C RM350.00 B RM105.00 D RM450.00  Arah Pendidikan Sdn Bhd

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Mathematics Form 1

Subjective Questions 1 Convert 75% to fraction in its lowest term.

2 If 25% of M is 85, find the value of M.

3 20% of 190 apples in a basket are rotten. Calculate the number of rotten apples.

4 The price of a local magazine is increased from RM3.20 to RM3.60. Find the percentage of increase in price.

5 Sofia deposited RM5 800 into her bank account with an interest rate of 4% per annum. What is the interest after 11 years? 2 6 Calculate the value of 120% of 30 – 1 × 20. 5 7 Ramli bought a bicycle with RM360. One year later, he sold it to his friend for RM288. Find the percentage of loss.

8 The water level in a tank dropped 15% from 10 m. What is the water level now?

9 Evaluate 102 % of RM150. 3 10 Ali is 25% older than his wife. If Ali is 40 years old, what is their total age?

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Mathematics Form 1