find the cost of whitewashing wall,at the rate of Rs30 per metre square.if there is a door frame of dimension 3m*4m in a wall of dimension 10m*5m??
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di ek question aapke ke liye
one over is ball?
option
a 6
b 4
c 1
d none of these.
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Answer:
put formula of lateral surface area of cuboidal
then multiply the answer with Rs 30
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