Question

71. The volume of cuboid is 36000 cubic cm and its breadth and height is 30 cm and 40 cm respectively. What is its length?
a)20cm
b)30cm
c)40cm
d)50cm​

Answer 1

Answer:

30cm

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Answer 2

Given :-

The volume of cuboid is 36000 cubic cm and its breadth and height is 30 cm and 40 cm respectively.

To Find :-

What is its length?

Solution :-

Let the length be l

$\sf \dashrightarrow Volume=Length\times Breadth\times Height$

$\sf \dashrightarrow 36000 = L\times30\times40$

$\sf \dashrightarrow 36000=1200L$

$\sf \dashrightarrow \dfrac{36000}{1200}=L$

$\sf \dashrightarrow 30=L$

Hence

Length is 30 cm