Ratio MCQ Set 2

RATIO MCQ SET 2

1. Three numbers are in the ratio 4/5 : 5/6 : 9/10 . The difference between the smallest and the greatest number is 12 . Find the number which is neither the smallest nor the greatest .

(a) 96

(b) 108

(c) 100

(d) 104

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Answer: C

2. If P : Q = 10 : 11 and Q : R = 11 : 12 , then P + Q : Q + R : R + P is :

(a) 21 : 23 : 22

(b) 22 : 21 : 23

(c) 11 : 12 : 10

(d) 23 : 22 : 21

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Answer: A

3. If (a+b) : (b+c) : (c+a) = 7 : 6 : 5 and a + b + c = 27 , then what will be the value of 1/a : 1/b : 1/c?

(a) 3 : 6 : 4

(b) 3 : 2 : 4

(c) 4 : 3 : 6

(d) 3 : 4 : 2

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Answer: C

4. If a , b and c are positive numbers such that (a^2 + b^2) : (b^2 + c^2) : (c^2 + a^2) : 34 : 61 : 45 , then b – a : c – b : c – a = ____ .

(a) 1 : 2 : 3

(b) 2 : 1 : 3

(c) 3 : 1 : 2

(d) 3 : 2 : 1

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Answer: B

5. If A : B : C = 2 : 3 : 4 , then what will be the value of (A/B) : (B/C) : (C/A) ?

(a) 9 : 5 : 36

(b) 8 : 7 : 25

(c) 8 : 9 : 24

(d) 12 : 10 : 13

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Answer: C

6. The seats for Mathematics , English and Chemistry in a school are in the ratio of 6 : 4 : 7 . If these seats are increased by 20% , 40% and 60% , respectively , the ratio of the increased seats is :

(a) 9 : 7 : 8

(b) 9 : 7 : 14

(c) 1 : 2 : 3

(d) 7 : 9 : 14

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Answer: B

7. If a : b = 2 : 3 , b : c = 4 : 5 and c : d = 6 : 7 . Find a : b : c : d ,

(a) 16 : 24 : 30 : 31

(b) 16 : 24 : 30 : 35

(c) 72 : 54 : 15 : 32

(d) 8 : 32 : 50 : 71

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 Answer: B

8. If x : y = 6 : 5 , y : z = 9 : 4 and z : w = 2 : 3 , then what is the value of x : z : w ?

(a) 6 : 2 : 3

(b) 27 : 10 : 15

(c) 7 : 6 : 9

(d) 9 : 4 : 6

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Answer: B

9. The ratio of the prices of A and B is 5 : 9 and prices of C and D is 24 : 13 . The price of C is Rs.1500 more than the price of B , and the price of D is Rs. 1300 . Find the price of A .

(a) Rs.2400

(b) Rs.900

(c) Rs.1000

(d) Rs.500

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Answer: D

10. The ratio of income of P and Q is 1 : 2 . Ratio of income of Q and R is 3 : 2 . If one third of P’s income is Rs.4400 less than the half of P’s income , then what is the Q’s income ?

(a) Rs.56600

(b) Rs.52800

(c) Rs.46600

(d) Rs.41200

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Answer: B