6.Permutation and Combination
medium

A scientific committee is to be formed from $6$ Indians and $8$ foreigners, which includes at least $2$ Indians and double the number of foreigners as Indians. Then the number of ways, the committee can be formed, is

A

$1625$

B

$575$

C

$560$

D

$1050$

(JEE MAIN-2021)

Solution

Indians Foreigners Number of ways
$2$ $4$ ${ }^{6} C _{2} \times{ }^{8} C _{4}=1050$
$3$ $6$ ${ }^{6} C _{3} \times{ }^{8} C _{6}=560$
$4$ $8$ ${ }^{6} C _{4} \times{ }^{8} C _{8}=15$

Total number of ways $=1625$

Standard 11
Mathematics

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