The expense to paint outer surface area (excluding top and base) of cuboidal tank of dimensions 30 m x 10 m x 5 m at the rate of Rs.150 m² is ______ (a) Rs. 1,05,000
(b) Rs. 75,000
(c) Rs. 60,000
(d) Rs. 1,50,000
Answers
Given : outer surface area (excluding top and base) of cuboidal tank of dimensions 30 m x 10 m x 5 m is painted at the rate of Rs.150 m²
To Find : The expense of paint
(a) Rs. 1,05,000
(b) Rs. 75,000
(c) Rs. 60,000
(d) Rs. 1,50,000
Solution:
cuboidal tank of dimensions 30 m x 10 m x 5 m
outer surface area (excluding top and base) = 2 ( 30 + 10) * 5
= 2( 40) * 5
= 400 m²
painted at the rate of Rs.150 m²
The expense of paint = 400 * 150
= 60,000 Rs
The expense of paint = 60,000 Rs
The expense to paint outer surface area (excluding top and base) of cuboidal tank of dimensions 30 m x 10 m x 5 m at the rate of Rs.150 m² is 60,000 Rs
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