Question 1 How many ordered triples (x, y, z) of positive integers are solutions of x + y + z = 100? (A) 4851 (B) 98! (C) 5151 (D) 100C3 (E) 99! Question 2 How many values of n exist such that:10 <= n <= 30,and n! is divisible by (n+2) ? __________________
n/a |
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Ans 2) Is it (E)...n cannot be 11,15,17,21,27,29
102C2 =102*101/2= 5151
n/a
Q.1 4851
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