Recent questions tagged volume and surface area of solids

+1 vote

1 answer

Find the length of 13.2 kg of copper wire of diameter 4 mm, when 1 cubic cm of copper weighs 8.4 gm.

asked Apr 4, 2019 in Class 9 by kratos

+1 vote

1 answer

A right circular cone is divided into three parts trisecting its height by two planes drawn parallel to the base.

asked Mar 28, 2019 in Class 10 by kratos

+1 vote

1 answer

Water in a canal, 5.4 m wide and 1.8 m deep, is flowing with a speed of 25 km / hour. How much area can it irrigate in 40 minutes,

asked Mar 28, 2019 in Class 10 by kratos

+3 votes

1 answer

A bus stop is barricated from the remaining part of the road, by using 50 hollow cones made of recycled card-board.

asked Mar 27, 2019 in Class 9 by kratos

+2 votes

1 answer

Consider three concentric metallic spheres A, B and C of radii a, b, c respectively where a < b < c, A and B are connected whereas C is grounded.

asked Mar 27, 2019 in JEE by kratos

+2 votes

1 answer

234.2 gm of sugar syrup contains 34.2 gm of sugar. What is the molal concentration of the solution?

asked Mar 24, 2019 in JEE by kratos

+2 votes

1 answer

Two spheres of same metal weigh 1kg and 7kg. The radius of the smaller sphere is 3cm.

asked Mar 22, 2019 in Class 10 by kratos

+1 vote

1 answer

Volume and surface area of a solid hemisphere are numerically equal. What is the diameter of hemisphere ?

asked Mar 21, 2019 in Class 11 by kratos

+2 votes

1 answer

In an isothermal process 2 water drops of radius 1 mm are combined to form a ****** drop.

asked Mar 20, 2019 in JEE by kratos

+2 votes

0 answers

A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm.

asked Mar 19, 2019 in Class 9 by kratos

+3 votes

1 answer

A hemisphere of lead of radius 7 cm is caused into a right circular cone of height 49 cm find the radius of the base

asked Mar 18, 2019 in Class 10 by kratos

+3 votes

1 answer

A given quantity of metal is to be cast into a solid half circular cylinder with a rectangular base

asked Mar 17, 2019 in Class 12 by kratos

+2 votes

1 answer

(a) The earth-moon distance is about 60 earth radius. What will be the diameter of the earth (approximately in degrees) as seen from the moon?

asked Mar 14, 2019 in Class 11 by kratos

+3 votes

1 answer

A cylindrical wooden float whose base area * and the height H drifts on the water surface. Density of wood d and density

asked Mar 13, 2019 in JEE by kratos

+3 votes

1 answer

a solid sphere of diameter 5 cm is dropped in a right circular cylindrical vessel partly filled with water.

asked Mar 12, 2019 in Class 10 by kratos

+1 vote

1 answer

The number of divisors of N = 38808 can have (excluding 1 and N) is

asked Mar 12, 2019 in Class 10 by kratos

+1 vote

0 answers

A Gulab Jamun contains sugar syrup upto about 30% of its volume.

asked Mar 10, 2019 in Class 10 by kratos

+2 votes

1 answer

What are depressions?

asked Mar 6, 2019 in Class 10 by kratos

+1 vote

1 answer

A cylindrical tube of radius 12cm contains water to a depth of 20cm.

asked Mar 4, 2019 in Class 10 by kratos

+3 votes

1 answer

Water flows at the rate of 10per minute through a cylindrical pipe having its diameter as 5mm.

asked Mar 3, 2019 in Class 10 by kratos

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