ICSE Class X Math 2016 Solved Paper

A game of number has cards marked with 11,12,13,...40. A card is drawn at random. Find the Probability that the number on the card drawn is :

Question : 14

Total: 57

Divisible by 7.

Solution:

Since required (favourable) outcomes are : 14,21,28 and 35 .
∴ The number of favourable outcomes =4 .
∴P( Divisible by 7 )=‌

=‌

.‌‌

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