SSC CHSL Model Paper 13

Question : 60 of 100

Marks: +1, -0

If the height of cylinder is increased by 35% and radius is increased by 10%, what will be the percentage increase in curved surface area of cylinder?

46.5
45
48.5
49.7

Validate

Solution:

Curved surface area of cylinder = 2πrh
∴ Percentage increase in area

=(x+y+{xy}/100)%

=(35+10+{35×10}/100)%

= (45 + 3.5)% = 48.5%

Go to Question:

Prev Question

Next Question