How many meters of carpet 50cm, wide will be required to cover the floor of a room 30m * 20m?
A. 1000
B. 600
C. 2400
D. 1200
50/100 * x = 30 * 20 => x = 1200
A. 1000
B. 600
C. 2400
D. 1200
50/100 * x = 30 * 20 => x = 1200
A. 25 m
B. 35 m
C. 45 m
D. 50 m
A. 4:3
B. 16:9
C. 64:27
D. 3:4
If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals? Read More »
Mathematics Mcqs, Volumes A. 21 cm
B. 19 cm
C. 32 cm
D. 18 cm
A. 27:1
B. 1:27
C. 1:9
D. 9:1
r1 : r2 = 1:3
r13 : r23 = 1:27
The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes? Read More »
Mathematics Mcqs, Volumes A. 36
B. 64
C. 27
D. 16
Explanation:
4/3 π * 3 * 3 * 3 = 4/3 π * 1 * 1 * 1 * x
x = 27
How many shots of 1cm radius can be prepared from a sphere of 3cm radius? Read More »
Mathematics Mcqs, Volumes A. 3:4
B. 4:3
C. 3:1
D. 1:3
4 πr2 : 3 πr2 => 4:3
Find the ratio between whole surfaces of a sphere and a hemisphere? Read More »
Mathematics Mcqs, Volumes A. 1 cm
B. 2 cm
C. 4 cm
D. 3 cm
The curved surface of a sphere is 64 π cm2. Find its radius? Read More »
Mathematics Mcqs, Volumes A. 74 π cm2
B. 36 π cm2
C. 48 π cm2
D. 24 π cm2
π * 12 * 4 = 48
A. 120 cm3
B. 40 cm3
C. 50 cm3
D. 60 cm3
πr2 = 30 h = 6
1/3 * 30 * 6 = 60