JIPMAT - <p>Two identical solid cubes of side 5 cm are joined end to end. Then the total surface area of the resulting cuboid is:</p> | PYQs + Solutions

JIPMAT

Geometry

Conceptual

300 cm²

250 cm²

225 cm²

200 cm²

✅ Correct Option: 2

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JIPMAT 2021

A pump can be operated both for filling a tank and for emptying it. The capacity of the tank is 2400 $m^{3}$ . The emptying capacity of the pump is 10 $m^{3}$ per minute higher than its filling capacity. Consequently, the pump needs 8 minutes less to empty the tank as to fill it. The filling capacity of the pump is

JIPMAT 2025

A solid brass sphere of radius 21 cm is converted into a right circular cylindrical rod of length 28 cm. The ratio of total surface areas of the rod to sphere is :

JIPMAT 2025

Consider the following statements, which of them is/are correct?

A. If the height of cylinder is doubled, the area of curved surface is doubled.

B. If the radius of a hemispherical solid is doubled, its total surface area becomes fourfold.

C. If a hemisphere and cone have equal bases and equal heights, then the ratio of curved surface area is $\sqrt{2}:1$ .

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