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# Supply the missing information in figure (b).

**Solution:**

Given, the figure represents a repeater machine.

We have to find the missing information in the given diagram.

A repeater machine is a hypothetical machine which automatically enlarges items several times.

From the given figure,

Input = 3 cm

Output = 15 cm

We know, input × stretching power = output

3 × stretching power = 15

Stretching power = 15/3

= 5⁻¹

Therefore, the missing information is 5⁻¹.

**✦ Try This: **Supply the missing information for each diagram.

**☛ Also Check: **NCERT Solutions for Class 8 Maths Chapter 12

**NCERT Exemplar Class 8 Maths Chapter 8 Problem 163(b)**

## Supply the missing information in figure (b).

**Summary:**

A 3 cm long piece inserted into a single machine, becomes 15 cm when it comes out. The missing information is 5⁻¹.

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