1.

Twenty lamps can be lighted for 6 hr a day for 20 days at a cost of Rs. 100. How much would be the cost of lighting 40 lamps, 8 hr for 12 days?

A. Rs. 150
B. Rs. 160
C. Rs. 180
D. Rs. 140
Answer» C. Rs. 180


Discussion

No Comment Found

Related MCQs