self Company Numerical Ability Number System

(666... n digits)^2+(888... n digits) is equal to
Option
1)(10^n-1)4/9
2)(10^2n-1)4/9
3)(10^n-10^(n- 1)-1)4/9
4)(10^n+1)4/9

Read Solution (Total 1)

just simply use gp sum formula
you will find it's b
10 years agoHelpfull: Yes(1) No(2)

self Other Question

Suppose that in a group of people you find that X percent of people in the group have heights that are greater than the median height in that group. Which of the following is a true statement about X? There is a circular field having four doors in North,East,West and South.A person walks 3 metres from north and another coms out of the south door and walks 9 metres towards East so that he can able to see the first person.What is the diameter of the field?