Category: Volumes

The slant height of a cone is 12 cm and radius of the base is 4cm, find the curved surface of the cone.

Hamad Volumes 17/09/2023

0

A. 74 π cm²
B. 36 π cm²
C. 48 π cm²
D. 24 π cm²
(more…)

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?

Hamad Volumes 16/09/2023

0

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

Surface area of two spheres are in the ratio 1:4 what is the ratio of their volumes?

Hamad Volumes 19/01/2022

0

A. 1:64
B. 1:8
C. 1:4
D. 8:1

If the radius of the sphere is doubled then it’s volume is increased by?

Hamad Volumes 17/01/2022

0

A. 100 %
B. 200 %
C. 700 %
D. 800 %

The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area?

Hamad Volumes 14/01/2022

0

A. 1:2
B. 1:4
C. 2:1
D. 4:1

Find the expenditure on digging a well 14m deep and of 3m diameter at Rs.15 per cubic meter?

Hamad Volumes 12/01/2022

0

A. Rs.1185
B. Rs.1285
C. Rs.1385
D. Rs.1485
(more…)

The edge of three cubes of metal is 3 dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge of the new cube?

Hamad Volumes 29/12/2021

0

A. 3 dm
B. 4 dm
C. 5 dm
D. 6 dm
(more…)

A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is__________?

Hamad Volumes 27/12/2021

0

A. 90 cm
B. 1 dm
C. 1 m
D. 1.1 cm

The radius of a wire is decreased to one –third if volume remains the same length will increase

Hamad Volumes 02/12/2021

0

A. 1 Time
B. 3 times
C. 6 times
D. 9 times

The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?

Hamad Volumes 01/12/2021

0

A. 6:25
B. 3:5
C. 9:25
D. 16:25
(more…)