Maths Mcqs Practice Test

Question 1

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

Accepted Answer

B. 126cm,32cm

Question 2

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

Accepted Answer

B. R2cm2

Question 3

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

Accepted Answer

D. 60%

Question 4

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_________?

Accepted Answer

B. 4.2cm

Question 5

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?

Accepted Answer

C. 16% Decrease

Question 6

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________?

Accepted Answer

D. 12cm

Question 7

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

Accepted Answer

D. Both Triangle and Square

Question 8

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?

Accepted Answer

C. 616cm2

Question 9

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__________?

Accepted Answer

B. 9:4

Question 10

If the length of a rectangle is increased by 20% and it’s breadth is decreased by 20% then it area________?

Accepted Answer

B. decreased by 4%

Question 11

If the length and width of a rectangular grand are each increased by 20% then what would be the percent increase in the area of the garden?

Accepted Answer

D. 44%

Question 12

The length of a rectangular plot is increased by 25%. To keep it’s area uncharged the width of the plot should be___________?

Accepted Answer

D. Reduced by 20%

Question 13

The length of a rectangular plot is twice its breadth. If the area of the rectangular plot is 6075 sq.meters .what is its length?

Accepted Answer

C. 135m

Question 14

The perimeter of a rectangle and square are 160m each. The area of the rectangle is less than that it’s square by 100cm meters. The less than that of the square by 100 sq.meters. the length of rectangle is___________?

Accepted Answer

C. 50m

Question 15

The diagonal of a square is 4√2cm. The diagonal is another square whose area is double that of the first square is__________?

Accepted Answer

A. 8cm

Question 16

The largest size of bamboo that can be placed in a square of area 100 sq.meters is__________?

Accepted Answer

B. 14.14m

Question 17

The area of a rectangle is 12 sq.metres and it’s length is 3 times that of it’s breadth. What is the perimeter of the rectangle?

Accepted Answer

D. None of these

Question 18

The perimeter of a rectangle is 60m. If it’s length is twice its breadth then its area is__________?

Accepted Answer

C. 200m2

Question 19

A rectangular field has dimensions 25m by 15m. Two mutually perpendicular passage of 2m width have been left in it’s central part and grass has been grown in rest of the field. The area under the grass is____________?

Accepted Answer

B. 299m2

Question 20

Find the least square number which is divisible by 10, 12, 15 and 18?

Accepted Answer

B. 900