If the length of a rectangle is increased by 20% and it’s breadth is decreased by 20% then it area________?
A. Increased by 4%
B. decreased by 4%
C. Decreased by 1%
D. Remains unchanged
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
A circle and a rectangle have the same perimeter. The sides of the rectangle are 18cm and 26cm.What is the area of the circle?
A. 88cm2
B. 154cm2
C. 616cm2
D. 1250cm2
If an area enclosed by a circle or a square or an equal triangle is the same then the maximum perimeter is possessed by_________?
A. Circle
B. Square
C. Equilateral Triangle
D. Both Triangle and Square
The sides of a triangle are in the ratio ½: 1/3: ¼. If the perimeter is 52cm then the length of the smallest side is________?
A. 9cm
B. 10cm
C. 11cm
D. 12cm
If the height of a triangle is decreased by 40% and its base is increased by 40% what will be the effect on its area?
A. No change
B. 8%decrease
C. 16% Decrease
D. 16%increases
The areas of two similar triangles are 12 cm2 and 48SQ. cm .If the height of the smaller one is 2.1cm than the corresponding height of the bigger one is_________?
A. 0.525cm
B. 4.2cm
C. 80%
D. 60%
A typist uses a paper 30cm x 15cm.He leaves a margin at 2.5cm at the top and the bottom and 12.5cm on either side. What percentage of paper area is approximately available for typing
A. 65%
B. 70%
C. 80%
D. 60%
The area of largest triangle that can be inscribed in a semicircle of radius R cm is__________?
A. 2R cm2
B. R2 cm2
C. 1/2 R2 cm2
D. 2 R2 cm2
The area of a rhombus in 2016 Sq.cm and its side is 65cm. The length of its diagonals are________?
A. 125cm, 35cm
B. 126cm,32cm
C. 132cm,26cm
D. 135cm,25cm