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10
Q:

If 3/5 of x is equal to 4/9 of y, then what is the ratio of x and y?

 

A) 11 : 15 B) 15 : 23
C) 20 : 27 D) 14 : 25

Answer:   D) 14 : 25



Explanation:
Subject: Ratios and Proportions
Exam Prep: Bank Exams
Related Questions
Q:

A shopkeeper earns a profit of 15% after selling a book at 20% discount on the printed price . The ratio of the cost price and printed price of the book is

A) 20:23 B) 23:20
C) 16:23 D) 23:16
 
Answer & Explanation Answer: C) 16:23

Explanation:
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Q:

If A : B = 2 : 5, B : C = 4 : 3 and C : D = 2 : 1, then what is value of A : C : D?

A) 6 : 5 : 2 B) 7 : 20 : 10
C) 8 : 30 : 15 D) 16 : 30 : 15
 
Answer & Explanation Answer: D) 16 : 30 : 15

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Q:

The ratio of speed of three racers is 3 : 4 : 6. What is the ratio of time taken by the three racers to cover the same distance?

 

A) 3:4:6 B) 6:4:3
C) 4:3:2 D) 2:3:5
 
Answer & Explanation Answer: C) 4:3:2

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3 2205
Q:

The ratio of the ages of two boys is 3:4. After 3 years, the ratio will be 4:5.The ratio of their ages after 21 years will be

A) 14:17 B) 17:19
C) 11:12 D) 10:11
 
Answer & Explanation Answer: D) 10:11

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1 1742
Q:

One of the diagonal of a rhombus is 70% of the other diagonal. What is the ratio of area of rhombus to the square of the length of the larger diagonal?

A) 3 : 10 B) 3 : 20
C) 7 : 20 D) 7 : 10
 
Answer & Explanation Answer: C) 7 : 20

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1 1202
Q:

A truck covers a distance of 550 metres in one minute where as a bus covers a distance of 33 km in 3/4 hours. Then the ratio of their speeds is :

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

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3 1141
Q:

Divide Rs. 80 in the proportion of 3:6:7.

A) Rs. 10, Rs. 35, Rs. 40 B) Rs. 15, Rs. 30, Rs. 35
C) Rs. 15, Rs. 35, Rs.30 D) Rs. 10, Rs. 40, Rs. 35
 
Answer & Explanation Answer: B) Rs. 15, Rs. 30, Rs. 35

Explanation:

3/16 X 80, 6/16 X 80, 7/16 X 80
⇒ 15, 30, 35

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7 2719
Q:

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the class is:-

A) 1:2  B) 2:3
C) 3:4 D) 3:5
 
Answer & Explanation Answer: B) 2:3

Explanation:

Let the ratio be x : y
Total boys = 16.4 X x
Total girls = 15.4 X y
Total number of students in class = 16.4x + 15.4y
The average age of all students is 15.8
The total age of boys is 15.8x
The total age of girls is 15.8y
16.4x + 15.4y = 15.8x + 15.8y
0.6 x = 0.4 y
x/y = 0.4/0.6 = 2/3

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