TCS Company Numerical Ability Number System

Mr A took up the sum of natural numbers, by mistaken he add a number twice and find the sum to be 1000.Find the repeated number.
a)23 b)11 c)9 d)10

Read Solution (Total 6)

TCS Other Question

in a gathering of 15 person none of them was born in a leap year. find the probability that at least two have birthday on same date. In a question paper, there are 4 MCQ's having 5 options each. in how many ways candidate will not get all four correct answers?
a)624 b)625 c)623 d)none of these