Quantitative Aptitude Mensuration >> Volume -surface Area Questions

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SSC CHSL 2021 objective Ques (22 results)

21)

A solid metallic sphere of radius 12 cm is melted and recast in the form of small spheres of radius 2 cm. How many small spheres are formed?

SSC CHSL 2021

A)

96

B)

864

C)

24

D)

216

Answer

Correct Option: D

216

Hint::

22)

The square of the diagonal of a cube is 2175 cm². What is the total surface area (in cm²) of the cube?

SSC CHSL 2021

A)

4350

B)

4305

C)

4530

D)

4272

Answer

Correct Option: A

4350

Hint::

showing 21 - 22 results of 22 results

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Ytube Answers

A cistern of capacity 40 litres has an inlet and an outlet pipe. When both the pipes are opened at once, it takes 8 minutes to fill the cistern. However, if the outflow rate is increased 1.5 times, the cistern never gets filled. Which of the following can be the outflow rate?