CBSE Past Year MCQ Quiz

Question 1 of 3

CBSE Board Exam 2026

A cone of maximum size is carved out from a solid cube of edge length \(l\). The volume of the cone is :

A \(\frac{\pi l^3}{12}\) B \(\frac{\pi l^3}{3}\) C \(l^3\left(1-\frac{\pi}{3}\right)\) D \(\frac{\pi l^3}{8}\)

Select one option. Answers are shown after the test.

Question 2 of 3

CBSE Board Exam 2026

Three tennis balls are just packed in a cylindrical jar. If radius of each ball is r, volume of air inside the jar is

A \(2 \pi r^3\) B \(3 \pi \mathrm{r}^3\) C \(5 \pi r^3\) D \(4 \pi \mathrm{r}^3\)

Select one option. Answers are shown after the test.

Question 3 of 3

CBSE Board Exam 2025

If the volumes of two cubes are in the ratio \(8: 125\), then the ratio of their surface areas is :

A \(8: 125\) B \(4: 25\) C \(2: 5\) D \(16: 25\)

Select one option. Answers are shown after the test.

Class 6