Question

10
.(a) Rs. 12
(b) Rs. 10
(c) Rs. 11
37. An alloy consists of 35% Zinc, 45% Nickel and the rest Copper. Find the mass of Copper in 550 gm of the
alloy?
(a) 100 gm
(b) 135 gm
(c) 12.5 gm
(d) 110 gm
(e) None of these
​

Answer 1

(a) 100 gm

The amount of copper in the alloy is,

$M= \: \frac{500 \times 20}{100} = 100$

So amount of copper in alloy is 100gm.

Answer 2

Above one is 10000% correct!