Average Questions
Question
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 ?
Solution
Answer (c): 156
Explanation:
Ratio of Ducks and Frogs in Pond,= 37 : 39.
Average of Ducks and Frogs in Pond,= 152.
So, total number of Ducks and Frogs in the Pond,= 2* 152 = 304.
Therefore,Number of Frogs, = (304 *39)/76 = 156.