The ratio of ducks and frogs in a pond is 37 : 39 respectively. The average number of ducks and frogs in the pond is 132. What is the number of frogs in the pond ? Select
A) 148  B) 134  C) 156  D) 144  E) None
Solution:   Ratio of Ducks and Frogs in Pond,   = 37 : 39.   Average of Ducks and Frogs in Pond,   = 132.   So, total number of Ducks and Frogs in the Pond,   = 2* 132 = 262.   Therefore,   Number of Frogs, = (262*39)/76 = 134.   Answer: Option 134
<result>B</result>
The ratio of ducks and frogs in a pond is 37 : 39 respectively. The average number of ducks and frogs in the pond is 132. What is the number of frogs in the pond ?