4
Q:

Find the 4th proportional to 9, 17 and 27.

A) 57 B) 48
C) 51 D) 53

Answer:   C) 51



Explanation:
Q:

If P : Q = 9 : 7, then what is the value of (P – Q) : (P + Q)?

A) 1 : 2 B) 1 : 8
C) 1 : 4 D) 2 : 13
 
Answer & Explanation Answer: B) 1 : 8

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3 97
Q:

The ratio of marks obtained by a student was 1:2:3. The school decided to allow grace marks of 5% for each subject. Find the student's new ratio.

A) 1:2:3 B) 2:3:4
C) 2:3:1 D) 3:2:1
 
Answer & Explanation Answer: A) 1:2:3

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2 249
Q:

A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?

A) 32 B) 48
C) 64 D) 24
 
Answer & Explanation Answer: A) 32

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10 498
Q:

The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?

A) 5 : 7 B) 7 : 5
C) 15 : 14 D) 2 : 3
 
Answer & Explanation Answer: C) 15 : 14

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3 314
Q:

Find the missing value denoted by '?'

 

3 : 243 :: 5 : ?

 

A) 625 B) 465
C) 3125 D) 425
 
Answer & Explanation Answer: C) 3125

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5 796
Q:

In a college, 25% of male faculties are same in number as 1/3rd of the female faculties. What is the ratio of male faculty to female faculty in that college?

 

A) 4:3 B) 3:4
C) 2:3 D) 3:2  
 
Answer & Explanation Answer: A) 4:3

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3 449
Q:

If the angles of a triangle are in the ratio of 1 : 4 : 7, then find the ratio of the greatest angle to the smallest angle.

A) 7:2 B) 2:3
C) 7:1 D) 3:5
 
Answer & Explanation Answer: C) 7:1

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1 385
Q:

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

 

A) 9:4   B) 3:2  
C) 81:16 D) 27:8
 
Answer & Explanation Answer: C) 81:16

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1 316