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.Management Sciences
Category: Areas
The length of a rectangular plot is increased by 25%. To keep it’s area uncharged the width of the plot should be___________?
A. Kept unchanged
B. Increased by 25%
C. Increased by 20%
D. Reduced by 20%
The diagonals of a rhombus are 15 cm and 20 cm. Find its area?
A. 120 sq m
B. 300 sq m
C. 150 sq m
D. 480 sq m
(more…)
If the diagonal of a square is doubled. How does the area of the square change?
A. Becomes fourfold
B. Becomes threefold
C. Becomes twofold
D. none of the above
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
If the area of circle is 616 sq cm then its circumference?
A. 78 m
B. 88 m
C. 75 m
D. 70 m
Find the area of circle whose radius is 7m?
A. 124 sq m
B. 154 sq m
C. 145 sq m
D. 167 sq m
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