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JEE Mains (2017-2015): Set Relation and Function Previous Year Questions with Solution (in Hindi)
sir can u say that how to comes 37 I have an doubt of these place
Rohit kumar
a year ago
sister aap combination ko formula se sol. karoge to aa jayega ye formula lagao ncr=n! /(n-r)! r! and here n=8 given and and r is 0,1,2 is given.. so solve and finally get your answer.