# Samsung Placement: Sample Questions 15 - 15 of 15

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## Question 15

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### Write in Short

Short Answer▾If length of rectangle of increases by 20 % and breadth decreases by 20 % then what will be the new area? (2004)

### Explanation

- Area of rectangle = length breadth
- Let the length of rectangle be l and breath be b. Then area of rectangle will be = l b
- Now length of rectangle is increased by 20 % . So, new length will be = l + 20 % of l
- = 1.2l
- Breadth is decreased by 20 % . So, new breadth will be = b - 20 % of b
- = 0.8b
- Now, new area will be =
- = 1.2 0.8
- = 0.96
- Here, = 0.96