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1.
The number of committees of 5 persons consisting of at least one female member, that can be formed from 6 males and 4 females, is
2.
The number of ways that 8 beads of different colures be string as a necklace, is
3.
9 balls are to be placed in 9 boxes and 5 of the balls cannot fit into 3 small boxes. The number of ways of arranging one ball in each of the boxes is
4.
The expression 
equals
equals
5.
The total number of natural numbers of six digits that can be made with digits 
if all digits are to appear in the same number at least once, is
if all digits are to appear in the same number at least once, is
6.
men and 
women are to be seated in a row so that no two women sit together. If 
, then the number of ways in which they can be seated, is
men and women are to be seated in a row so that no two women sit together. If , then the number of ways in which they can be seated, is
7.
If 
The anumber of points having position vector 
such that 
, is
The anumber of points having position vector such that , is
8.
If 
then the value of is
then the value of is
9.
There are 10 points in a plane, out of these 6 are collinear. The number of triangles formed by joining these points is
10.
A dictionary is printed consisting of 7 letters words only that can be made with a letters of the word CRICKET. If the words are printed at the alphabetical order as in an ordinary dictionary, then the number of words before the word CRICKET is