The average of all the odd numbers up to 100 will be:
Answer & explanation
Correct answer: option 1
Odd numbers upto 100 are 1,3,5,7......,97,99.
Number of odd numbers upto 100 = 50
Sum of odd number = Sum of AP of Odd numbers = n/2 (a+l) = 50/2 (1+99) = 25*100= 2500
Average = 2500/50 = 50
The correct answer is Option (1) → 50