41.
The sum of the three consecutive even numbers is 44 more than the average of these numbers. Which of the following is the third largest of these numbers?

42.
The average of five consecutive odd numbers is 95. What is the fourth number in the descending order?

43.
The average of two numbers is 6.5 and square root of their product is 6. What are the numbers?

44.
A, B, C and D are four consecutive even numbers respectively and their average is 65. What is the product of A and D?

45.
The arithmetic mean of the series 1, 2, 4, 8, 16, . . . . . . , 2n is -

46.
The following table shows the number of working hours and the number of employees employed in a small scale industry
No. of working hours No. of employees
3 - 5 7
5 - 7 10
7 - 9 18
9 - 11 57
11 - 13 14
13 - 15 8

The average number of working hours of an employee is

47.
In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun’s weight is greater is that 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimation, what is the average of different probable weights of Arun?

48.
The mean of the first ten even natural number is-

49.
The average of the first nine prime numbers is-

50.
The arithmetic mean of first 11 natural numbers is

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