Out of 6 numbers, the sum of the first 5 numbers is 7 times the 6th number. If their average is 136, then the 6th number is:
Answer & explanation
Correct answer: option 1
Lets assume 7th number is x
So, sum of first 5 numbers = 7x
As per question,
x + 7x = 6 x 136
x = 102
Accordingly, 7th number is 102