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Length of a rectangle is increased by 50% and breadth is decreased by 25% what is the difference in the area
Length of a rectangle is increased by 50% and breadth is decreased by 25% what is the difference in the area

```
10 years ago

SAGAR SINGH - IIT DELHI
879 Points
```							Dear student,
Let length =l
New length=1.5l
New area 1.5l*0.75b

All the best.
Win exciting gifts by                                                                                                                                    answering       the                     questions       on                         Discussion                          Forum.      So                help                                 discuss                 any                                query        on                           askiitians              forum       and                     become      an                   Elite                              Expert              League                                     askiitian.

Sagar Singh
B.Tech, IIT Delhi

```
10 years ago
Sudheesh Singanamalla
114 Points
```							let length be l and breadth be b
area = l*b
new length = l + l/2 = 3l /2
new breadth = b - b/4 = 3b/4
new area = 3l/2 * 3b/4 = 9 * l * b / 8 ;

difference in area = 9*l*b/8 - l*b
==> (l*b) * (9/8 - 1)
==> (l*b) * 1/8
thefore difference in area = 1/8 * l*b

```
10 years ago
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• 731 Video Lectures
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• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions