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Mathematics Mcqs

A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?

August 4, 2021July 12, 2019 by admin
A river 2m deep and 45 m wide is flowing at the rate of 3 kmph the amount of water that runs into the sea per minute is?

A. 4500 M3
B. 27000 M3
C. 3000 M3
D. 2700 M3
(3000 * 2 * 5)/60 = 4500 M3

Categories Mathematics Mcqs, Volumes

The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm3 of metal used in the box weighs 0.5 gms, the weight of the box is________?

August 4, 2021July 12, 2019 by admin
The dimensions of an open box are 52, 40 and 29 cms. Its thickness is 2 cms. If 1 cm3 of metal used in the box weighs 0.5 gms, the weight of the box is________?

A. 8.56 kg
B. 7.76 kg
C. 7.756 kg
D. 6.832 kg

Categories Mathematics Mcqs, Volumes

The ratio of the volumes of a cube to that of the sphere which will fit inside the cube is________?

August 4, 2021July 12, 2019 by admin
The ratio of the volumes of a cube to that of the sphere which will fit inside the cube is________?

A. 4:3
B. 4:2
C. 4:4
D. 6: π

Categories Mathematics Mcqs, Volumes

A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?

August 4, 2021July 12, 2019 by admin
A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?

A. Rs.60
B. Rs.57
C. Rs.55
D. Rs.52
Explanation:
2 *3(15 + 4) = 114
114 * 1/2 = Rs.57

Categories Mathematics Mcqs, Volumes

How many meters of carpet 50cm, wide will be required to cover the floor of a room 30m * 20m?

August 4, 2021July 12, 2019 by admin
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

Categories Mathematics Mcqs, Volumes

A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m2; find the length of the diagonal of the courtyard?

August 4, 2021July 12, 2019 by admin
A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m2; find the length of the diagonal of the courtyard?

A. 25 m
B. 35 m
C. 45 m
D. 50 m

Categories Mathematics Mcqs, Volumes

If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals?

August 4, 2021July 12, 2019 by admin
If the sides of a cube are in the ratio 4:3. What is the ratio of their diagonals?

A. 4:3
B. 16:9
C. 64:27
D. 3:4

Categories Mathematics Mcqs, Volumes

Three cubes of metal whose edges are 9, 12 and 15 cm respectively, are melted and one new cube is made. Find the edge of the new cube?

August 4, 2021July 12, 2019 by admin
Three cubes of metal whose edges are 9, 12 and 15 cm respectively, are melted and one new cube is made. Find the edge of the new cube?

A. 21 cm
B. 19 cm
C. 32 cm
D. 18 cm

Categories Mathematics Mcqs, Volumes

The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?

August 4, 2021July 12, 2019 by admin
The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?

A. 27:1
B. 1:27
C. 1:9
D. 9:1
r1 : r2 = 1:3
r13 : r23 = 1:27

Categories Mathematics Mcqs, Volumes

How many shots of 1cm radius can be prepared from a sphere of 3cm radius?

August 4, 2021July 12, 2019 by admin
How many shots of 1cm radius can be prepared from a sphere of 3cm radius?

A. 36
B. 64
C. 27
D. 16
Explanation:
4/3 π * 3 * 3 * 3 = 4/3 π * 1 * 1 * 1 * x
x = 27

Categories Mathematics Mcqs, Volumes
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