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What is to be added to 15% of 180 so that the sum is equal to 20% of 360?
Answer & Solution
Correct Answer:
Option
A
$$\eqalign{
& {\text{Let be the number is }}x \cr
& 180 \times \frac{{15}}{{100}} + x = \frac{{360 \times 20}}{{100}} \cr
& 27 + x = 72 \cr
& x = 72 - 27 \cr
& x = 45 \cr} $$
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