NIACL Model Paper 3 with solutions for free online practice

Question : 16 of 100

Marks: +1, -0

The ratio of ducks and frogs in a pond is 37 : 39 respectively. The average number of ducks and frogs in the pond is 152. What is the number of frogs in the pond?

148
152
156
144
None of these

Validate

Solution:

Let the number of ducks and frogs in the pond be 37x and 39x respectively.
ATQ,

{37x + 39x}/2=152

⇒

38x= 152⇒ x =152/38=4

∴Number of frogs =

39x= 39 ×4 = 156

Go to Question:

Prev Question

Next Question