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Mihishkaa from PSBBLLA, Bangalore

Subject :IMO Class : Class 5

The length of a rectangle is times of its breadth. If its perimeter is 120 m, then find its area.

A3456 sq. m
B864 sq. m
C748 sq. m
D1240 sq. m

Ans 1:

Sowmya Chandrasekaran from DAV GIRLS SENIOR SECONDARY SCHOOL, Chennai

Class : Class 6

same ans in sol

Admin from revisewise, Noida

Class : Class 1

(B): Let Breadth be x and,
Length = (3/2) x
Perimeter = 2(l + b) = 120 m
2(1.5x + x) = 120

5x = 120
x = 120 ÷ 5 = 24 m
Breadth = x = 24 m
Length = 1.5 × 24 = 36 m
Area = length × breadth = 24 × 36 = 864 sq. m

ANUSKA from DPS NACHARAM, HYDERABAD

Class : Class 8

okay i understand