There are rabbits and pigeons in a zoo. If they have 45 heads and 120 legs in total, how many rabbits will there be in the zoo?

 

5. एउटा चिडियाखानामा खरायो र परेवा रहेछन । यिनीहरुको जम्मा 45 वटा टाउको र 120 वटा खुट्टा छन भने चिडियाखानामा खरायोको संख्या कति होला?

There are rabbits and pigeons in a zoo. If they have 45 heads and 120 legs in total, how many rabbits will there be in the zoo?

A.    10                          

B. 12                        

C. 15                                 

D. 20