question_answer

Study the given information and answer the following questions. Bala put Rs. 1 into his Piggy Bank on the first day. He put Rs. 2 on the second day, Rs. 3 on the third and Rs. 4 on fourth day. How much money does Bala have in his Piggy Bank after 4 days?

A) Rs.6                  

B) Rs.10

C) Rs. 18

D) Rs. 21               

E)