Question

If the size of stamp is 2x2 cm, then how many stamps will fit in the rectangle of length 14 cm and breadth 10 cm? Also find the cost of the stamps if one stamp costs Rs. 5​

Answer 1

Answer:

area of the stamp = 4 cm ²

then, area of the rectangle= 14 x 10 = 140 cm²

then, the number of stamps to be fitted

= 140

4

= 35 stamps.

then, cost of total. stamps= 5×35

= ₹ 175.

Answer 2

Answer:

When rate of interest by a bank is increased from 5%to 6% per annum. Rajesh deposits $1200 more into the account. If annual interest now recieved by him is $110 more than before, find his original deposit.