MBA Exam

N=98765432109876543210.....UPTO 1000 DIGITS,Find the smallest natural number n such that N+N is exactly divisible by 11?

1) 6
2) 5
3) 1
4) 10
5) 3

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MBA Other Question

A six-digit natural number abcdef becomes defabc upon being multiplied by a natural number. Find the sum of its digits if they are distinct.explain the solution too....

1) 20
2) 24
3) 27
4) 36
If (x^2 - 4root(3)x)^2 = 25(x - 2root(3))^2 - 36, then how many real values of x satisfy the given equation?

1) 0
2) 1
3) 2
4) 4
5) CBD