CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic

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Question 30 (Choice - 1) - CBSE Class 10 Sample Paper for 2021 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears

(i) a two-digit number

(ii) a perfect square number.

(iii) a number divisible by 5.

 

Answer

 

This question is exactly same as Ex 15.1, 18 of Chapter 12 Class 10 in the NCERT Book.

Please check the answer and video here

https://www.teachoo.com/1982/563/Ex-15.1--18---A-box-contains-90-discs-which-are-numbered/category/Ex-15.1/

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