Average

Among 5 numbers, first number is double of second number and three-fourth of third number. The average of 5 numbers is 55. If the sum of remaining two numbers is 88, find the value of 3rd number.

• 88

• 60

• 77

• 66

The average monthly salary of a group of 7 workers in a factory is Rs. 2260. If the manager’s salary is added, the average salary becomes Rs. 3500 per month. What is the manager’s salary per month?

• Rs. 14,560

• Rs. 12,180

• Rs. 13,180

• Rs. 15,280

Average of 15 persons in a group is 20 years. After joining one person to the group, the average age of the group is increase by 5 years. Find the age of new person.

• 100 years

• 120 years

• 50 years

• 135 years

If the average of 20 number is 40. One number is read 29 instead of 92. Find the new average.

• 43.15

• 25.65

• 40

• 42.65

The average of 5 consecutive numbers is 62.Find the average of smaller and largest number.

• 64

• 63

• 62

• 60

The average of 10 consecutive terms of an arithmetic progression with common difference of 10 is 100. How will the average be affected if the next two terms of A.P. are also included?

• Increases by 10

• Remains the same

• Increases by 20

• Increases by 5

If a, b, c, d, e are five consecutive odd numbers, their average is:

• 5(a + 4)

• abcde/5

• 5 (a + b + c + d + e)

• (a + 4)

Virendra Sehwag has a certain average for 11 innings. In the twelfth innings, he scores 132 runs thereby increasing his average by 10 runs. His new average is

• 20

• 22

• 24

• 26

What is 3/7 chicken, 2/3 cat and 2/4 goat?

What can fill a room but takes up no space?