CBSE Class 10 Maths (Standard) 2015 · Paper 30/1/1 · Question 28

Probability 4 marks Medium

A box contains

20

cards numbered from

1

20

. A card is drawn at random from the box. Find the probability that the number on the drawn card is

Answer

(i)

P (divisible by 2 or 3) = \frac{13}{20}

; (ii)

P (prime) = \frac{8}{20} = \frac{2}{5}

🔒 Step-by-step solution

Class 10 Maths — every question with an expert-verified, step-by-step solution.