Mathematics MCQs

Page No. 24

Find the number of square tiles to cover the floor of a room measuring 4 m * 9 m leaving 0.25 m space around the room. A side of square tile is given to be 25 cms?


a425


b476


c450


d350


View Answer 476

The length of the rectangular field is double its width. Inside the field there is square shaped pond 8m long. If the area of the pond is 1/8 of the area of the field. What is the length of the field?


a31 m


b32 m


c16 m


d20 m


View Answer 32 m

A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m2 and the short side is 30 m long. How much would the job cost?


aRs.700


bRs.1200


cRs.1400


dRs.1500


View Answer Rs.1200

The area of a square field 3136 sq m, if the length of cost of drawing barbed wire 3 m around the field at the rate of Rs.1.50 per meter. Two gates of 1 m width each are to be left for entrance. What is the total cost?


aRs.1014


bRs.1140


cRs.999


dRs.1085


View Answer Rs.999

The length of rectangle is thrice its breadth and its perimeter is 96 m, find the area of the rectangle?


a432 sq m


b356 sq m


c452 sq m


d428 sq m


View Answer 432 sq m

A rectangular grass field is 75 m * 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?


a675, Rs.1350


b575, Rs.1350


c1350, Rs.675


dNone


View Answer 675, Rs.1350

A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.3 per sq m?


aRs.3600


bRs.3700


cRs.3800


dRs.3900


View Answer Rs.3900

The length of a rectangle is increased by 25% and its breadth is decreased by 20%. What is the effect on its area?


aRemains same


b5% decrease


c5% increase


d10% increase


View Answer Remains same

The length and breadth of a rectangle is increased by 10% and 25% respectively. What is the increase in the area?


a27.5%


b37.5%


c47.5%


d57.5%


View Answer 37.5%

The side of a rhombus is 26 m and length of one of its diagonals is 20 m. The area of the rhombus is_______?


a529 sq m


b240 sq m


c260 sq m


d480 sq m


View Answer 480 sq m

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