Mathematics MCQs

Page No. 18

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__________?


a5:4


b9:4


c4:5


d4:9


View Answer 9:4

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?


a88cm2


b154cm2


c616cm2


d1250cm2


View Answer 616cm2

If an area enclosed by a circle or a square or an equal triangle is the same then the maximum perimeter is possessed by_________?


aCircle


bSquare


cEquilateral Triangle


dBoth 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________?


a9cm


b10cm


c11cm


d12cm


View Answer 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?


aNo change


b8% decrease


c16% Decrease


d16% increases


View Answer 16% Decrease

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_________?


a0.525cm


b4.2cm


c80%


d60%


View Answer 4.2cm

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


a65%


b70%


c80%


d60%


View Answer 60%

The area of largest triangle that can be inscribed in a semicircle of radius R cm is__________?


a2R cm2


bR2 cm2


c1/2 R2 cm2


d2 R2 cm2


View Answer R2 cm2

The area of a rhombus in 2016 Sq.cm and its side is 65cm. The length of its diagonals are________?


a125cm, 35cm


b126cm,32cm


c132cm,26cm


d135cm,25cm


View Answer 126cm,32cm

If the side of a square is increased by 25% then it’s area is increased by_________?


a25%


b40.5%


c55%


d56.25%


View Answer 56.25%

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