A. 9 %
B. 30 %
C. 60 %
D. 69 %
Explanation:
Let, side = 100cm.
Area = (100 × 100) cm2 = 10000 cm2
New area = (130 × 130) cm2 = 16900 cm2
Increase in area = (6900/10000 ×100) % = 69 %
Related Mcqs:
- The area of a square is 4096 sq cm. Find the ratio of the breadth and the length of a rectangle whose length is twice the side of the square and breadth is 24 cm less than the side of the square.
A. 18 : 5
B. 7 : 16
C. 5 : 14
D. None of these - A big rectangular plot of area 4320 Sq.m is divided into 3 square shaped smaller plots by fencing parallel to the smaller side of the plot. However, some area of land was still left as a square plot could not be formed. So 3 more square shaped plots were formed by fencing parallel to the longer side of the original plot. Such that no area of the plot was left a surplus. What are the dimensions of the original plot?
A. 160m × 27m
B. 240m × 18m
C. 120m × 36m
D. 135m × 32m - If each side of a square is increased by 50% the ratio of the area of the resulting square to the area of the given square is__________?
A. 5:4
B. 9:4
C. 4:5
D. 4:9 - The area of a rectangle is thrice that of a square. The length of the rectangle is 40 cm and the breadth of the rectangle is (3/2) times of the square. The side of the square in cm is__________?
A. 15
B. 20
C. 30
D. 60 - If the side of a square is increased by 25 %. Then its area is increased by:__________?
A. 25 %
B. 55%
C. 40.5 %
D. 56.25 % - If the side of a square is increased by 25% then it’s area is increased by_________?
A. 25%
B. 40.5%
C. 55%
D. 56.25% - If the side of a square is increased by 25 % then how much percent does it’s area get increased:
A. 125
B. 156.25
C. 50
D. 56.25 - The perimeter of a rectangle and square are 160m each. The area of the rectangle is less than that it’s square by 100cm meters. The less than that of the square by 100 sq.meters. the length of rectangle is___________?
A. 30m
B. 40m
C. 50m
D. 60m - The diagonal of a square is 4√2cm. The diagonal is another square whose area is double that of the first square is__________?
A. 8cm
B. 8√2cm
C. 16cm
D. 4√2cm - The side of a square is increased by 25% then how much % does its area increases?
A. 52.65
B. 56.25
C. 50.75
D. 42.75
