MBA Exam

A natural number N is the least possible number such that the left most digit is 1. When this number is multiplied by 3, the resultant number has the left most digit shifted to the right most position (unit place), and other digits therefore shift one position towards left. What is the sum of the digits at odd places in 3N?

1) 19
2) 13
3) 8
4) 17

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MBA Other Question

if N=3^a*3^b, a and b are any two integers whose range is from 1 to 6 what is the probability that N is a multiple of 729.

1) 5/18
2) 5/11
3) 13/18
4) none
a 2 digit no. is such that the sum of its digits is 5 times the difference of its digits.if the no. exceed the no. formed by its the digits by 18,then find the no.?pl. provide sol.

1) 96
2) 64
3) 32
4) 42