Maths Class 10
Solutions of Sample Papers for Class 10 Boards

Question 21 - CBSE Class 10 Sample Paper for 2018 Boards - Solutions of Sample Papers for Class 10 Boards

Last updated at August 13, 2026 by

Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

OR

A cone of maximum size is carved out from a cube of edge 14 cm. Find the surface area of the remaining solid after the cone is carved out.

This is a question of CBSE Sample Paper - Class 10 - 2017/18.

You can download the question paper here  https://www.teachoo.com/cbse/sample-papers/

First question is exactly same as Ex 13.3, 8

Check answer here

For 2nd question, A cone of maximum size is carved out from a cube of edge 14 cm. Find

Question 21 - CBSE Class 10 Sample Paper for 2018 Boards - Part 2
Question 21 - CBSE Class 10 Sample Paper for 2018 Boards - Part 3 Question 21 - CBSE Class 10 Sample Paper for 2018 Boards - Part 4 Question 21 - CBSE Class 10 Sample Paper for 2018 Boards - Part 5

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