# Quantitative Aptitude: Mensuration Questions Set 12

1. The area of rectangular field is 3375 m^2 and length and breadth are in ratio 5:3.Find the length?
75 m
125 m
50 m
45 m
None of these
Option A
5x * 3x = 3375
15x^2 =3375
x = 15
Length=5 * 15 = 75

2. The perimeter of a square is twice the perimeter of rectangle.If the perimeter of square is 48 cm and lemght of rectangle is 7 cm.Find the breadth of rectangle?
8 cm
5 cm
7 cm
6 cm
None of these
Option B
Area=48/4=12 cm
Pperimeter of rectangle = 24 = 29(l+b)
2(7+b)=24
b=5 cm

3. A buffalo is tied to a cow with 7 m long rope at corner of 35 m long and 20 m wide rectangular grass field,What area of field will buffalo graze?
38.47
35.50
36.55
39.15
None of these
Option A
Area=1/4(3.14r^2)

4. The length of recatngular floor is twice its breadth.Is Rs 624 is required to paint floor at rate of Rs 8.What is the breadth of floor?
5.50 m
6.50 m
6.24 m
7.50 m
None of these
Option C
Area= 78 m ^2
2x * x =78
x = 6.24

5. Two cubes have volume in ratio 1:8.Find the ratio of their of surface area?
1:4
1:2
1:5
1:6
None of these
Option A
x^3 : y^ 3=1:8
x : y = 1:2
SA=6x^2 : 6b^2 = 1:4

6. A square floor has an area of 7396 sq m,Find the cost of fencing around it at Rs 22 per metre?
Rs 7568
Rs 7541
Rs 7452
Rs 6589
None of these
Option A

7. After measuring 100 m of rope,it was find that metre rod was 2 cm longer.What is the true lenght of the rod?
98 m
100 m
95 m
85 m
Non eof these
Option A
Lenght=100-(200/100)

8. A circle is drawn circumscribing a rectangle of sides 8 cm and 6 cm,Find the area?
72.5
78.5
68.5
66.5
76.5
Option B

9. If length ,breadth and height of hole is 14m , 8 m and 8 m ,then find diagonal of hall?
18 m
24 m
26 m
30 m
None of these
Option A
Diagonal=root (14^2 + 862 + 8^2

10. The base and other side of isoclees triangle is 8 m and 12 m.Find the area?
45.2
50.8
52.6
44.5
None of these
Option A
Area=b/4 root (4a^2-b^2)