TCS Company Numerical Ability Permutation and Combination

there are 5 digits 1,2,3,4,5 while making a number plate by using 1 digit,2 digits,3 digits,4 digits,5 digits how many number plates can be made with out repeatition

Read Solution (Total 1)

Ans:325
5+5*4+5*4*3+5*4*3*2+5*4*3*2*1=325
11 years agoHelpfull: Yes(2) No(0)

TCS Other Question

a+b=3;a^2+b^2=7;then a^4+b^4=? 9.A tree of height 36 meters on the side of road of width 12 meter is broken in such a way that it forms a triangle with the road. what will be the length of the broken part?