a) 148
b) 152
c) 156
d) 144
Answer: c
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
Number of Frogs = $$\frac{{304 \times 39}}{{76}}$$ = 156
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