The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If

Question

The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm3 of metal used in the box weighs 0.5 gms, the weight of the box
is?

Options:

A . 8.56 kg

B . 7.76 kg

C . 7.756 kg

D . 6.832 kg

Answer: Option D

52 * 40 * 29 = 60320

48 * 36 * 27 = 46650

------------

13664

13664 * 1/2 = 6832 => 6.832 kg

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