1
IIT-JEE 1982
MCQ (Single Correct Answer)
+2
-0.5
Eight chairs are numbered 1 to 8. Two women and three men wish to occupy one chair each. First the women choose the chairs from amongst the chairs marked 1 to 4; and then the men select the chairs from amongst the remaining. The number of possible arrangements is
2
IIT-JEE 1982
MCQ (Single Correct Answer)
+2
-0.5
The value of the expression $$\,{}^{47}{C_4} + \sum\limits_{j = 1}^5 {^{52 - j}\,{C_3}} $$ is equal to
3
IIT-JEE 1979
MCQ (Single Correct Answer)
+2
-0.5
$${}^n{C_{r - 1}} = 36,{}^n{C_r} = 84\,\,and\,\,{}^n{C_{r + 1}} = 126$$, then r is :
Questions Asked from Permutations and Combinations (MCQ (Single Correct Answer))
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