Symbiosis National Aptitude Test SNAP 2019 Paper

Question : 51 of 110

Marks: +1, -0

In a closed wooden box, length = 20 cm, breadth = 14 cm and height = 10 cm and thickness = 5 mm. If weight of empty box is 3.462 kg, then what is the weight of 1

cm^3

of wood?

4 grams
5 grams
6 grams
7 grams

Validate

Solution:

Volume of wood used in the box
= 20 × 14 × 10 – (20 – 2 × 0.5)(14 – 2 × 0.5)(10 – 2 × 0.5)
= 2800 – 19 × 13 × 9
= 577

cm^3

ATQ, weight of 577

cm^3

of wood = 3.462 kg
∴ weight of 1 cm3 of wood =

{6.462}/{577}

kg = 6 gram

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