A box contains 90 nuts each of 100 gms an d 100 bolts each of 150 gms. If the entire box weighs 35.5 kgs , then the wight of the empty box is--

A box contains 90 nuts each of 100 gms an d 100 bolts each of 150 gms. If the entire box weighs 35.5 kgs , then the wight of the empty box is-- Correct Answer 11.5 kg

Weight of the nut and bolts = 90×100 + 100×150 = 9000 + 15000 = 2400gm = 24 kg So, weight of the empty box = 35.5 - 24 = 11.5 kg
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