Challenger App

No.1 PSC Learning App

1M+ Downloads
In a rectangle the length is increased by 40% and the breadth is decreased by 40% .Then the area is :

AIncreased by 16%

BDecreased by 16%

CIncreased by 40%

DDecreased by 40%

Answer:

B. Decreased by 16%

Read Explanation:

x % = 40% y% = 40% = x-y-xy/100 = 40- 40 - 40 x 40 / 100 = -16


Related Questions:

Find the area of a regular hexagon (in cm²) with sides of length 6 cm.
Find the circumference (in m) of the largest circle that can be inscribed in a rectangle whose dimensions are given as 21 m and 115 m. take π=22/7

In the given figure, ∠BAC = 70°, ∠ACB = 45° and ∠DEA = 140°. What is the value of ∠BDE?

The length of one side of a regular hexagon is 4 cm. The area (in cm²) of the hexagon is:
The area of a regular hexagon is 2048√3 cm². What is the length (in cm) of each side of the hexagon?