EPFO 2015 English Medium Solved Paper

Question : 50 of 120

Marks: +1, -0

In a dinner party, every two guests used a bowl of rice between them, every three guests used a bowl of dal among them and every four guests used a bowl of curd among them. There are together 65 bowls. What is the number of guests present at the party?

Validate

Solution:

Given,
every 2 guests used 1 bowl of rice,
every 3 guests used 1 bowl of dal,
every 4 guests used 1 bowl of curd.
Now,LCM of 2,3 and 4 = 12
So. 12 guests used 6 bowl of rice + 4 bowl of dal + 3 bowl of curd.
Then, 12 guests = 13 bowls
⇒1 bowl

=12/13

guest
∴ 65 bowl =

{12×65}/13=60 guests

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