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Q.

Team A consists of 7 boys and n girls and team B has 4 boys and 6 girls. If a total of 52 single matches can be arranged between these two teams when a boy plays against a boy and a girl plays against a girl, then n=

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a

2

b

6

c

4

d

5

answer is D.

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Detailed Solution

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Total matches of boys=7×4=28ways
Total matches of girls=n×6=6nways
28+6n=52 n=4
 

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