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The surface area of the three coterminous

Question:

The surface area of the three coterminous faces of a cuboid are 6, 15 and 10 cmrespectively. The volume of the cuboid is

(a) 30 cm3 

(b) 40 cm3 

(c) 20 cm3 

(d) 35 cm3

Solution:

The correct answer is option (a) 30 cm3

Explanation:

It is given that, the coterminous faces of a cuboid is given as:

l × b = 6

l × h = 15

b × h = 10

The formula for volume of a cuboid is l × b × h

l2 × b2 × h= 6 × 15 × 10

√ (lbh) = √ (900) = 30

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