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An Alloy Contains 32% Copper, 40% Nickel and Rest Zinc. Find the Mass of the Zinc in 1 Kg of the Alloy. - Mathematics

Numerical

An alloy contains 32% copper, 40% nickel and rest zinc. Find the mass of the zinc in 1 kg of the alloy.

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Solution

Percentage of copper in the alloy = 32
Percentage of nickel in the alloy = 40
Percentage of zinc in the alloy = 100 - 32 - 40 = 28
\[ \therefore \text{ Amount of zinc in 1 kg of the alloy }= \left( 0 . 28 \times 1 \right) kg\]
= 280 gm

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 12 Percentage
Exercise 12.2 | Q 15 | Page 10
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