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NRA CET - Graduate Level

IMPORTANT

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A hemispherical basin of $150 c m$ diameter holds water one hundred and $20$ times as much as a cylindrical tube. If the height of the tube is $15 c m$ , then the diameter of the tube is:

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Important Questions on 3D-Mensuration

MEDIUM

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 3

A cylindrical box of radius

5 c m

contains

10

solid spherical balls each of radius

5 c m

. If the topmost ball touches the upper cover of the box, then volume of the empty space in the box is:

MEDIUM

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 4

Water flows into a tank

100 m

150 m

through a rectangular pipe

1.5 m \times 1.25 m

at a speed of

20 k m / h

. In what time will the water rise by

2 m

EASY

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 5

How many metres of cloth

10 m

wide will be required to make a conical tent with a base radius of

14 m

and slant height is

50 m

MEDIUM

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 6

A copper sphere of diameter

36 c m

is drawn into a wire of diameter

4 m m

. Find the length of the wire.

EASY

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 7

A well with

28 m

inside diameter is dug

8 m

deep. The earth taken out of it has been evenly spread around it to a depth of

21 m

to form an embankment. Find the height of the embankment.

MEDIUM

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 8

A cone has height half of

16.8 c m

while the diameter of its base is

4.2 c m

. It is melted and recast into a sphere. Find the surface area of the sphere.

MEDIUM

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 9

Find the area of the iron sheet required to prepare a cone double the height of

12 c m

with diameter of the base

14 c m

EASY

NRA CET - Graduate Level

IMPORTANT

SSC CHSL(10+2) TIER 1 COMBINED HIGHER SECONDARY LEVEL ONLINE EXAM 2019 LDC/DEO/PSA>Chapter 46 - 3D-Mensuration>Practice Exercise>Q 10

A cylindrical pillar is

50 c m

in diameter and

3.5 m

in height. Find the cost of painting the curved surface of the pillar at the rate of

₹ 10

per

m^{2}

A hemispherical basin of 150 cm diameter holds water one hundred and 20 times as much as a cylindrical tube. If the height of the tube is 15 cm, then the diameter of the tube is:

Important Questions on 3D-Mensuration

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A hemispherical basin of $150 c m$ diameter holds water one hundred and $20$ times as much as a cylindrical tube. If the height of the tube is $15 c m$ , then the diameter of the tube is: