Question

In a group of 30 persons, 18 take tea. Fund how many take coffee but not tea,if each person take at least one of the drinks.

Answer 1

12 have coffee but not tea

Answer 2

Answer:

★ 12 persons would have taken coffee.

Step-by-step explanation:

Given:-

★ In a group of 30 persons, 18 take tea.

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Find:-

★ Find how many take coffee but not tea,if each person take at least one of the drinks.

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LOGIC:-

★ In 30 person, 18 takes tea (Leave about this). And if 30-18 (12 are left) and if each people in 12 take least one cup of drink the the number of people took cofee would be 12 because the number of tea drinks who already too is mentioned.

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= 30 - 18

= 12

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Hence proved!!!!