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batballbat

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## Homework Statement

A history exam paper contains eight questions, four in part A and four in B. Candidates are required to attempt five questions. In how many ways can this be done if at least two questions from part and at least two questions from B must be attempted

## Homework Equations

## The Attempt at a Solution

I tried with (4 2) * (4 2) * (4 1) where (n r) is the no. of combinations of r objects from n objects. But it is the wrong answer. Give me the right solution and also why my reasoning in wrong