UPSC CSE Prelims 2000 Q140 — Science & Technology PYQ

2000Q140·Science & Technology·Quantitative Aptitude

A rectangular piece of iron sheet measuring 50 cm by 100 cm is rolled into a cylinder of height 50 cm. If the cost of painting the cylinder is Rs. 50 per square metre, then what will be the cost of painting the outer surface of the cylinder?

UPSC CSE Prelims 2000 Q140 — Science & Technology PYQ with Answer

UPSC CSE Prelims 2000 Q140 — Science & Technology PYQ with Answer