RRB Assistant Loco Pilot and Technician Model Paper 7 with solutions

Question : 9 of 100

Marks: +1, -0

The average of the first 100 positive integers is

Solution:

{n(n+1 )}/ 2

∴ Average of these numbers
∴ Average =

{n+1}/2

{100+1}/2

= 50.5

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