Explore topic-wise MCQs in Mathematics Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Mathematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the formula to find the rise in the water level when ‘x’ spherical balls are dropped into a cylindrical beaker?

A. \(\frac {Volume \, of \, ‘x’ \, spherical \, balls}{Base \, area \, of \, cylinder}\)
B. \(\frac {Volume \, of \, ‘x’ \, spherical \, balls}{2(Base \, area \, of \, cylinder)}\)
C. The volume of the cylinder + volume of the beaker
D. The volume of the cylinder – 2(volume of the beaker)
Answer» B. \(\frac {Volume \, of \, ‘x’ \, spherical \, balls}{2(Base \, area \, of \, cylinder)}\)
2.

How many coins of 1 cm in diameter and thickness of 1.2 cm need to be melted to form a cuboid with dimensions of 5 cm × 10 cm × 4 cm?

A. 193
B. 213
C. 184
D. 282
Answer» C. 184