Permutations and Combinations questions
785 published questions with worked solutions.
- The number of ways of selecting 15 teams from 15 men and 15 women, such that each team consists of a man and a woman is
- Let A = x_1,x_2, ,x_7 and B = y_1,y_2,y_3 be two sets containing seven and three distinct elements respectively. Then the total...
- If the four letter words (need not be meaningful) are to be formed using the letters from the word "MEDITERRANEAN" such that the...
- If ^ n+2 C_6 ^ n-2 P_2 = 11, then n satisfies the equation:
- If all the words, with or without meaning, are written using the letters of the word QUEEN and are arranged as in English...
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