An open rectangular tank is made of concrete the sides and base being 30 cm thick Internally the tan...........

Quantitative Aptitude ( CCS) Mensuration 2D

An open rectangular tank is made of concrete, the sides and base being 30 cm thick. Internally the tank is 8 m long, 4 m broad and 3 m high. Find its weight in kg, if concrete weighs 1 kg per 1000 cubic centimeter.

34,548 kg

44,416 kg

39,416 kg

40,000 kg

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Explanation:

The outer dimensions are 8.6 x 4.6 x 3.3 m.
So volume of the block = 8.6 x 4.6 x 3.3 – 8 x 4 x 3
= 130.548 - 96
= 34.548 cu. m
= 34548000 cu cm,
weight of the block
=34548000/1000 = 34548 kg.