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Length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area ?
A. 47.5%
B. 57.5%
C. 37.5%
D. 27.5%The side of a rhombus is 26 m and length of one of its diagonals is 20 m. The area of the rhombus is ?
A. 260 sq m
B. 480 sq m
C. 529 sq m
D. 240 sq m262 – 102 = 242
d1 = 20 d2 = 48
1/2 * 20 * 48 = 480Diagonals of a rhombus are 15 cm and 20 cm. Find its area ?
A. 480 sq m
B. 150 sq m
C. 120 sq m
D. 300 sq mPerimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area ?
A. 280 cm2
B. 220 cm2
C. 240 cm2
D. 260 cm2Area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is ?
A. 6 m
B. 12 m
C. 8 m
D. 10 mSide of a square is increased by 25% then how much % does its area increases ?
A. 50.75
B. 42.75
C. 52.65
D. 56.25Cross-section of a cannel is a trapezium in shape. If the cannel is 10 m wide at the top and 6 m wide at the bottom and the area of cross-section is 640 sq m, the depth of cannel is ?
A. 80 m
B. 40 m
C. 20 m
D. 60 mRadius of a circle is increased by 1%. Find how much % does its area increases ?
A. 2.01%
B. 3.01%
C. 1.01%
D. 5.01%Find the area of the quadrilateral of one of its diagonals is 20 cm and its off sets 9 cm and 6 cm ?
A. 110 sq m
B. 300 sq m
C. 150 sq m
D. 120 sq mFind the area of circle whose radius is 7m ?
A. 145 sq m
B. 167 sq m
C. 154 sq m
D. 124 sq m