Math Quiz on Mensuration
Ans: 27
Q 2. A rectangular field has its length and breadth in the ratio of 16:9. If its perimeter is 750m. What is its area?
Ans: 32400 sq. m
Q 3. A rectangular field costs Rs. 110 for levelling at 50 paisa per square meter. If the ratio of length and breadth is 11:5. Find the length of the field.
Ans: 22 m
Q 4. If the length of rectangular field is doubled and its breadth is halved. What is percentage change in its area?
Ans: 0% means no change
Q 5. The diagonal and one side of a rectangular plot are 289 m and 240m respectively. Find the other side-
Ans: 161m
Q 6. If the area of a square be 22050 m2. Find the length of diagonal-
Ans: 210 m
Q 7. The number of square shaped tin sheets of sides 25cm that can be cut off from a square tin sheet of side 1m is-
Ans: 16
Q 8. The length of rectangle is 2 cm. more than its breadth. The perimeter is 48 cm. The area of the rectangle is-
Ans: 143
Q 9. If the length of diagonal BD of square ABCD is 4.8 cm, the area of the square ABCD is-
Ans: 11.52 cm2
Q 10. If the side of squares is increased by 20%, then how much percent does its area get increased-
Ans: 44%