Areas Archives - Page 7 of 15 -

The cross-section of a cannel is a trapezium in shape. If the cannel is 10 m wide at the top and 6 m wide at the bottom and the area of cross-section is 640 sq m, the depth of cannel is_________?

A. 20 m
B. 60 m
C. 40 m
D. 80 m

The cross-section of a cannel is a trapezium in shape. If the cannel is 10 m wide at the top and 6 m wide at the bottom and the area of cross-section is 640 sq m, the depth of cannel is_________? Read More »

Areas, Mathematics Mcqs

The side of a square is increased by 25% then how much % does its area increases?

Areas, Mathematics Mcqs / admin

The side of a square is increased by 25% then how much % does its area increases?

A. 52.65
B. 56.25
C. 50.75
D. 42.75

The side of a square is increased by 25% then how much % does its area increases? Read More »

Areas, Mathematics Mcqs

The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is_________?

Areas, Mathematics Mcqs / admin

The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is_________?

A. 8 m
B. 10 m
C. 6 m
D. 12 m

The area of a parallelogram is 128sq m and its altitude is twice the corresponding base. Then the length of the base is_________? Read More »

Areas, Mathematics Mcqs

The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?

Areas, Mathematics Mcqs / admin

The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?

A. 260 cm2
B. 240 cm2
C. 280 cm2
D. 220 cm2

The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area? Read More »

Areas, Mathematics Mcqs

The diagonals of a rhombus are 15 cm and 20 cm. Find its area?

Areas, Mathematics Mcqs / admin

The diagonals of a rhombus are 15 cm and 20 cm. Find its area?

A. 120 sq m
B. 300 sq m
C. 150 sq m
D. 480 sq m
1/2 * 15 * 20 = 150

The diagonals of a rhombus are 15 cm and 20 cm. Find its area? Read More »

Areas, Mathematics Mcqs

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

Areas, Mathematics Mcqs / admin

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

A. 529 sq m
B. 240 sq m
C. 260 sq m
D. 480 sq m

Explanation:
262 – 102 = 242
d1 = 20 d2 = 48
1/2 * 20 * 48 = 480

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

Areas, Mathematics Mcqs

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

Areas, Mathematics Mcqs / admin

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

A. 27.5%
B. 37.5%
C. 47.5%
D. 57.5%

Explanation:
100 * 100 = 10000
110 * 125 = 13750
———–
3750
10000 —— 3750
100 ——- ? => 37.5%

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

Areas, Mathematics Mcqs

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

Areas, Mathematics Mcqs / admin

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

A. Remains same
B. 5% decrease
C. 5% increase
D. 10% increase
Explanation:
100 * 100 = 10000
125 * 80 = 10000
No change

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

Areas, Mathematics Mcqs