Delhi Police Constable 2012 Paper

Question : 87 of 100

Marks: +1, -0

What will be the sum of 30% of 20 and 20%of 30?

Solution:

30% of 20 + 20% of 30

={20 × 30}/{100}+{30 × 20}/{100}

=6+6=12

=1 \%

of 1200

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