RRB Group D 22-Sep-2018 Shift 1 Solved Paper

Question : 55 of 100

Marks: +1, -0

42 \%

of an alloy was silver. If in a quantity of alloy there was

147 \ { g}

of silver, what was the quantity of the other elements in the alloy?

Solution:

Given

42 \%=147 \ { g}

.
Let total quantity of alloy is

x \ {gm}

42 \%

x=147

{42 \×x}/{100}=147

x=350 \ { g}

Other element of alloy

=350-147=203 \ {gm}

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