TCS Company Numerical Ability Age Problem

In base 7 number is written only using the digits 0,1..6.the number 135 in base 7 is 1*(7^2)+3*(7^1)+5*(7^0)=75 in bse 10.what is the sum of base 7 numbers 1234 and 6543 in base 7?
a)11101
b)11110
c)10111
d)11011

Read Solution (Total 8)

TCS Other Question

What is the remainder when 6^17+17^6 is divided by 7?
a)1
b)6
c)0
d)3
if the price the of the item is decreased by 10% and then increased by 10% then net effect on the price of the item