How many prime numbers are there between 40 and 50?

The average of the natural numbers divisible by 5 from the integers −10 to 35 is:

The average of 9 consecutive natural numbers is 51. What is the smallest number among these numbers?

Find the weighted arithmetic mean of the first ‘n’ natural numbers, the weights being the corresponding numbers.

What is the average of the first six prime numbers?

The average of eight consecutive odd numbers is 28. The sum of the smallest and the largest number is:

How many prime numbers exist between 50 and 80?

The average of a set of 18 consecutive integers is 22.5. What is the largest integer in the set?

The average of the first 43 natural numbers is:

What is the average of the first six even numbers?

Find the difference between the average of the cube of the first 5 natural numbers and the average of the square of the first 5 natural numbers.

The average of eight consecutive odd numbers is 48. Find the sum of the fifth and seventh numbers.

What is the average of the cube of the first 4 natural numbers?

What is the average of the first 10 multiples of 3?

What is the average of the first 10 multiples of 3?

The average of the first 16 natural numbers is:

What is the average of the first four prime numbers that are odd?

Find the average of the first 9 prime numbers.

If A is the average of first 5 natural numbers and B is the average of first 5 natural square numbers, then what is the average of A and B?

Find the average of all prime numbers up to 40. (Correct to 2 decimal places)

The average of six consecutive odd numbers is 68. What is the cube of the difference between the highest and the lowest numbers?

What is the average of first five prime numbers?

The average of the first five prime numbers is:

How many prime numbers are there between the positive integers 60 and 100?

Sita starts to calculate the sum of all odd natural numbers less than 72. What result does she get?

What will be the average of all the prime numbers between 9 and 22?

Find the average of the first fifteen multiples of 11.

What is the average of the first 10 prime numbers?

What is the average of first 30 multiples of 9?

How many natural numbers lie between 11² and 12² ?

What is the average of the first six prime numbers?

What is the average of the first 14 positive even numbers?

The average of nine consecutive even numbers is 24. What is the average of the smallest three of these 9 given numbers?

The average of 10 consecutive even numbers is 25. If the even number just preceding the smallest of the 10 given numbers is also included, then what will be the new average?

What is the mean of the first five Triangular Numbers?

What will be the average of all the even numbers between 11 and 29?

Find the mean of the first 6 prime numbers?

The average of 8 consecutive integers are 27/2 . What is the average of the largest four of these integers?
 

What is the average of the first four multiples of 6?

Find the average of the prime numbers lying between 51 and 77.

The average of the square of first five even natural numbers is:

Find the average of the prime numbers lying between 69 and 92.

The average of 5 consecutive numbers is 9. Find the product of the first number and the last number.

The average of 8 numbers is 123.5. Out of the 8 numbers, the first four numbers are consecutive even numbers and the remaining four numbers are consecutive odd numbers. If the difference between the lowest odd and largest even number is 7 then find the sum of the digits of the largest number.

What is the average of first 15 prime numbers?

Average of an arithmetic series of 13 numbers is 19. Find the last number of the series if the first number is 7.

The average of twelve consecutive odd integers is 30. What is the sum of the digits of 1st and the last number of these 12 consecutive numbers?

The average of 7 consecutive even numbers is 84. Find the sum of digits of the sum of the third and fifth numbers.

If the average of five consecutive even numbers is 20, then find the highest number.

The average of a nonzero number and its square is 5 times the number. Find the cube of the number.