Some question: Find the expenditure on digging a well 14m deep and of 3m diameter at Rs.15 per cubic meter?
Options:
(A) Rs.1185
(B) Rs.1285
(C) Rs.1385
(D) Rs.1485
(E) Rs.1495
Some stream of consciousness:
22/7 * 14 * 3/2 * 3/2 = 99 m2
99 * 15 = 1485 The answer: (D).