In a zoo, there are Rabbits and Pigeons. If heads are counted, there are 200 and if legs are counted, there are 580. How many pigeons are there?

A. 90 B. 100 C. 110 D. 120 Answer: Option C

Solution(By Apex Team)

Heads Count = 200 Legs count = 580 Average Legs count for per head $=\Large\frac{580}{200}=\frac{29}{10}$ Rabbits : Pigeons $=\Large\frac{9}{10}: \frac{11}{10}$ = 9 : 11 Number of Pigeons $=200 \times \large\frac{11}{20}$ = 110

Related Questions On Alligation

A. 2 : 5
B. 3 : 5
C. 5 : 3
D. 5 : 2

An alloy contains zinc, copper and tin in the ratio 2 : 3 : 1 and another contains copper, tin and lead in the ratio 5 : 4 : 3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in new alloy will be:

A. $\large\frac{1}{2} \mathrm{~kg}$
B. $\large\frac{1}{8} \mathrm{~kg}$
C. $\large\frac{3}{14} \mathrm{~kg}$
D. $\large\frac{7}{9} \mathrm{~kg}$

A. 81 litres
B. 71 litres
C. 56 litres
D. 50 litres