Question

The length and the breadth of a rectangular field are increased by 15% and 10% respectively. What will be the effect on its area?

• A. 25% increase
• B. 22.5% increase
• C. 26.5% increase
• D. cannot be determined

Answer 1

Answer:

C. 26.5% increase

Read Explanation:

Given :

Length and breadth is increased by 15 % and 10 %

% increase in area $= +15+10+\frac{15\times{10}}{100}$

$=+25+\frac{15}{10}$

$=+25+1.5=+26.5$

ie., 26.5% increase in area.

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