RRB Group D 17-Sep-2018 Shift 1 Solved Paper

Question : 74 of 100

Marks: +1, -0

The value of half of the HCF of 36 and 144 is:

Solution:

36=2^{2} × 3^{2}

144=2^{4} × 3^{2}

∴ \;\; {HCF}=2^{2} × 3^{2}=36

\;\text " and hence half of "\; {HCF}=18 \;\text " . "\;

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