MBA Exam

Q.1 Let x = 1! + 2! + 3! + 4! + ... + 100!. Unit's digit of x^x^x^....âˆž is(a) 3(b) 1(c) 1 or 3 depending upon the number of times x appears in the power.(d) Canâ€™t be determined.

1) a
2) b
3) c
4) d

Read Solution (Total 0)

MBA Other Question

Ramesh asked each of his friends to think of a natural number which is a perfect square and then convert it to a number system to the base of any natural number of their choice, where the base is not more than 9. Ramesh later observed that though no two of his friends took the same base all the friends ended up with the same result 12321. Find maximum possible number of friends whom Ramesh asked the question.

1) 3
2) 8
3) 7
4) 6
There is a circle in the x-y plane with its centre at the point C = (a, b) and radius 6 units. If a and b are integers, how many points with integer co-ordinates do not lie outside the circle?Approach plz !

1) 89
2) 96
3) 107
4) 113