TCS Company Numerical Ability Permutation and Combination

how many positive integers less than 600 can be formed using 1,2,3 and 6 for its digit. with each digit behind used only once

Read Solution (Total 7)

TCS Other Question

for the campus selection

23. A big Question describing a story.After that a number is given eg 2880.by what if we divide the number it ll become a perfect square?