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Babneet narula

· started a discussion

· 1 Months ago

base circumference given.wrong (Question: 273465.0 )

in question its written that cylinder with circumference of base as19.1 pi and in solution you have taken it as csa of cylinder.

Question:

A cylinder having base of circumference (19.1) π    cm is rolling without sliding at a rate of 5 round per second. How much distance will the cylinder roll in 5 seconds ? [Take  π    = 3.14 ]

Options:
A)

15 m

B)

1.5 m

C)

30 m

D)

3 m

Solution:

Ans: (a)

Then circumference of cylinder = 19.1 × 3.14 = 60 cm

Required answer = 60 × 5 × 5 

= 1500 cm

= 15 m

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