Challenger App

No.1 PSC Learning App

1M+ Downloads
The average of prime numbers between 20 and 40 is _____ .

A20

B30

C25

D35

Answer:

B. 30

Read Explanation:

23,29,31,37 average= (23 + 29 + 31 + 37)/4 = 120/4 = 30


Related Questions:

x + y = 28, y + z = 22, z + x = 34, find the average of x, y and z.
In Munnar, a travel company has three 4-seater cars and two 8-seater maxi cabs. The rate of each passenger for a round trip in a car is 225 and for a round trip in a maxi cab is ₹20. The average occupancy of the seats is 100%. What is the average earning of each vehicle for one round trip?
What is the average of the first 10 even numbers?
The mean of x, x + 3, x + 5, x + 7, x + 10 is 9. What is the mean of the first 3 observations?
തുടർച്ചയായ 5 എണ്ണൽ സംഖ്യകളുടെ ശരാശരി 40 ആയാൽ വലിയ സംഖ്യ ഏത്?