Ratio and Proportion (Objective Type Question for Competitive Exam) (Part B)

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Ratio and Proportion

Q.21 If A : B = 5 : 7 and B : C = 9 : 11, then A : C?

(A) 9 : 11

(B) 45 : 77

(C) 45 : 66

(D) 39 : 77


Ans .  B

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Q.22 The mean proportion between 9 and 25 is……

(A) 10

(B) 12

(C) 15

(D) 17


Ans .  C

Q.23 The third proportion to 12 and 30 is…..

(A) 40

(B) 45

(C) 50

(D) 75


Ans .  D

Q.24 The ratio of milk and water in 66 kg of adulterated milk is 5 : 1. Water is added to it to make the ratio 5 : 3. The quantity of water added is……

(A) 12

(B) 32

(C) 32

(D) 52


Ans .  D

Q.25 Ratio of speed of three cars is 2 : 3 : 4. The ratio of time taken by these cars to travel the same distance is……

(A) 2 : 3 : 4

(B) 3 : 6 : 4

(C) 6 : 4 : 3

(D) 4 : 3 : 6


Ans .  C

Q.26 A cup contains milk and water in the ratio of 3 : 1. How much mixture should be taken out and water added to make the ratio 1 : 1?

(A) 1/3

(B) 1/4

(C) ½

(D) 1/5


Ans .  A

Q.27 A can contains a mixture of two liquid A and B in proportion 7 : 5 . When 9 liters of mixture was drawn off and the can was filled with B, the proportion of A and B becomes 1 : 2. How many liters of mixtures was contained by the can initially?

(A) 15

(B) 21

(C) 36

(D) 25


Ans .  B

Q.28 Five apples plus four pears costs as much as three apples plus seven pears. What is the ratio of the cost of 1 pear and cost of 1 apple?

(A) 2 : 3

(B) 3 : 4

(C) 3 : 1

(D) 4 : 3


Ans .  A

Q.29 The ratio of the perimeter of an equilateral triangle having and altitude equal to the radius of a circle, to the perimeter of an equilateral triangle inscribed in a circle is…….

(A) 1 : 2

(B) 1 : 3

(C) 1 : Ö3

(D) Ö3 : 2


Ans .  B

Q.30 The areas of two triangles of equal height are in the ratio of 7 : 12. If the base of the smaller trangle is 40 cm, then the base of the other is……

(A) 23.33

(B) 21 cm

(C) 68.75 cm

(D) 32.33 cm


Ans .  C

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    Rajesh Bhatia

    A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.

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