Question

13. Twenty cylindrical pillars of a bungalow are to be
cleaned. If the diameter of each pillar is 0.50 m and
height 4 m, what will be the cost of cleaning them at
the rate of 2.50 per square metre?
14
The inner die
11 o 25 m
Tt is​

Answer 1

Answer:

ANSWER

Cost =21×2.50×CSA

=21×2.50×2×π×

2

0.5

×4

Cost=330Rs.

Explanation:

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