Question

The length, breadth and height of a room are
in the ratio of 3:2:1. If its volume is 1296 cm
3
find its breadth.
(a) 14 cm
(b) 16 cm
(c) 12 cm
(d) 18 cm
(e) None of these​

Answer 1

ANSWER

12cm

Step-by-step explanation

Length×Breadth×Height=1296

Let length=3x, Breadth=2x, Height=x

3x × 2x × x=1296

6x^3=1296

x^3=216

x=3√216=6cm

Breadth=2x=2×6=12cm

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