MBA Exam

Find the value of1+a^2-b^2/(a-b) + a^3-b^3/(a-b) + ..... +a^9999-b^9999/(a-b)a and b are the roots of the equation x^2=1

1) 1
2) 9999
3) 5000
4) 4999

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MBA Other Question

A, B, C and D have an average of र200 among themselves. If A's money increases by 200% and B's by 100%, then the average amount with all the four increases by र100. If the percentage increases of the two are swapped, the average amount with A and B would be र400.Find the amount that A originally had

1) 50
2) 100
3) 200
4) 150
500! + 505! + 510! + 515! is completely divisible by 5n, where n
is a natural number. How many distinct values of n are possible?

1) 120
2) 121
3) 124
4) 125