MBA Exam

If (1 + x + x5)15 = a0 + a1x + a2x2 + a3x3 +. . .+a74x74 + a75x75, then for how many values of i (0 <= i <= 75) is ai not equal to 0?Please explain.

1) 76
2) 69
3) 72
4) 70

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MBA Other Question

Let g(x)=max(7-x,x+3). the smallest possible value of g(x) isplease do tell the approach to solve this headbreaker question

1) 4
2) 4.5
3) 1.5
4) none of these
Two different solutions of honey, milk and water are mixed with each other three times in varying proportions. The concentration of honey and milk in the three resulting solutions are found to be (10%, 16%), (12%, 12%) and (16%, x%) respectively. What is the value of x?DO discuss ur approach

1) 4
2) 7
3) 8
4) 10