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In a group of 45 students, 22 can speak ...

In a group of 45 students, 22 can speak Hindi only and 12 can speak English only. If `(2lambda+1)` student can speak both Hindi and English, the value of `lambda` is

Text Solution

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The correct Answer is:
5
Given, a = 22,
c = 12

and a + b + c = 45
implies 22 + b + 12 = 45
`therefore b=11=2lambda+1`
`implies lambda = 5`
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