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UPSC Civil Service Exam Questions - Engineering

Q1:

The normal duration and normal cost of an activity are 10 days and Rs 350/- respectively. The cost slope is Rs 75/- per day. If the crash duration is 8 days, then what is the crash cost of the activity ?

A Rs 400/-

B Rs 500/-

C Rs 600/-

D None of these

ANS:B - Rs 500/-

Cost slope = (crash cost-normal cost/normal cost-crshcost).
75 = crash cost-350/10 - 8,
Crash cost = 150 + 350,
= 500.