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Question

48 ice-creams are placed on a table. Some are chocolate flavoured and others are vanilla flavoured. If I take an ice-cream at random from the table, the probability that it is chocolate flavoured is 2/3. Find the number of vanilla flavoured ice-creams on the table.


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Solution

We know that the probability of picking a chocolate flavoured ice-cream will be Number of favourable outcomes(chocolate flavoured icecreams)Total number of icecreams

Let the number of chocolate flavoured ice-creams be x.

= x48 = 23

Solving for x we get 32 .

It implies that there are 32 chocolate flavoured ice-creams out of a total of 48.

Hence number of Vanilla flavoured ice-creams on the table are 48 - 32 = 16


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