Fractions and Decimals MCQ for cseet

Question 1:

Choose the equivalent fraction of 4/5?

(a) 20/25

(b) 16/25

(c) 20/16

(d) 20/35

Ans:

(a) 20/25, 4/5 = 4×5/4×5 = 20/25

Question 2:

Solve 9/13 + 5/13

(a) 14/13

(b) 13/13 = 1

(c) 4/13

(d) 6/13

Ans:

(a) 14/13, 9/13 + 5/13 = 9+5/13 = 14/13

Question 3:

Solve 7 1/3 = 3 2/3

(a) -85/21

(b) 85/21

(c) 1/3

(d) 1/7

Ans:

(b) 85/21,

7 1/3 – 3 2/3

= 22/3 – 23/7

= 22×7-23×3/21

= 154-69/21

= 85/21

Question 4:

Choose the greatest one.

(a) 3/7

(b) 5/13

(c) 5/7

(d) 2/13

Ans:

(c) 5/7,

3×13/7×13, 5×7/13×7, 5×13/7×13

2×7/13×7 = 39/91,

35/91, 65/91, 14/91

Greatest one by 65/91 making the denominator same

Question 5:

Multiply and reduce to lowest form and convert into a mixed fraction. 16×2/5?

(a) 2 7/12

(b) 5 6/2

(c) 6 3/5

(d) 6 2/5

Ans:

16×2/5

= 32/5

= 6 2/5 (d)

Question 6:

Find 1/4 of 220.

(a) 45

(b) 55

(c) 65

(d) 75

Ans:

(b) 55 ¼ × 220 = 55 = ¼ of 220

In case you have missed:- Previous Chapter MCQ Questions

Question 7:

Find 36 ÷ 2/3 =?

(a) 81

(b) 72

(c) 54

(d) 63

Ans:

(c) 54

36×3/2 = 18 × 3 = 54 (c)

Question 8:

Find 54 × 3 5/7 =?

(a) 205 1/5

(b) 209 1/8

(c) 206 5/7

(d) 208 2/7

Ans:

208 2/7 (d)

54 × 26/7 = 1458/7

= 208 2/7

Question 9

Find 16/7 ÷ 4/7?

(a) 6

(b) 4

(c) 5

(d) 2

Ans:

(b) 4

16/7 × 7/4

= 16/4

= 4

Question 10:

Which is greater?

(a) 0.001

(b) 0.05

(c) 0.7

(d) 0.9

Ans:

(d) 0.9

1/1000 < 5/100 < 7/10 < 9/10

Question 11:

Express as rupees using decimals 9 rupees 50 paise.

(a) 9.7

(b) 0.95

(c) 9.050

(d) 9.50

Ans:

(d) 9.50

9 rupees = 9

50 paise = 50/100 = 0.5

= 9 + 0.5 = 9.50

Question 12:

Find 78.5 ÷ 0.5?

(a) 153

(b) 159

(c) 158

(d) 157

Ans:

157

(d) 78.5/0.5 = 78.5×10/0.5×10 = 785/5

785/5 = 157

Question 13:

Find 58.3×1000?

(a) 53800

(b) 58300

(c) 5830

(d) 583

Ans:

(b) 58300, 58.3×1000

= 58300

Question 14:

Express in kg 3593 g

(a) 3593

(b) 359.3

(c) 35.93

(d) 3.593 kg

Ans:

(d) 3.593 kg

= 3593/1000

= 3.593 kg

Question 15

Which of the following fraction?

(a) 7/4

(b) 19/4

(c) 14/5

(d) 4/11

Answer: (d) 4/11 Explanation: 4 < 11

Question 16:

Which of the following is an improper fraction?

(a) 2/7

(b) 1/2

c) 2/3 (

d) 73/10

Answer: (d) 73/10 Explanation: 73 > 10

Question 17:

Which of the following is an equivalent fraction of 23? (a) 4/9 \

(c) 6/13

(d) 8/11

(e) 10/15

Answer: (d) 10/15 Explanation: 2 3 = 2 × 5 3 × 5 = 10/15

Question 18:

1 – 1/5 is equal to

(a) 2/5

(b) 3/5

(c) 4/5

(d) 1/5

Answer: (c) 4/5 Explanation: 1 − 1 5 5 5 − 1 5 = 5 − 1 5 = 4/5