The average of all prime numbers between 20 and 40 is
Answer & explanation
Correct answer: option 2
All prime numbers between 20 and 40,
23, 29, 31, 37
Average = sum of observation/ no. of observation
= (23 + 29 + 31 + 37)/4 = 120/4 = 30
The average of all prime numbers between 20 and 40 is
Correct answer: option 2
All prime numbers between 20 and 40,
23, 29, 31, 37
Average = sum of observation/ no. of observation
= (23 + 29 + 31 + 37)/4 = 120/4 = 30