Question : The average of 21 numbers is 60. If each number is increased by 20, then find the number by which the average is increased.

Option 1: 12

Option 2: 18

Option 3: 15

Option 4: 20

Question : The average of 10 numbers is 42. If each number is increased by 5, then what will be the new average?

Option 1: 42

Option 2: 47

Option 3: 92

Option 4: 57

Question : The average of ten numbers is 24. If each number is divided by 2, then what will be the new average?

Option 1: 12

Option 2: 6

Option 3: 20

Option 4: 5

Question : The average of 10 numbers is 8. If each number is multiplied by 10, then the new average will be:

Option 1: 80

Option 2: 18

Option 3: 8

Option 4: 50

Question : The average of 8 numbers is 44. The average of the first three numbers is 50 and the average of the next two numbers is 52. If the sixth number is 6 and 8 less than the seventh and eighth numbers respectively, then what is the value of the eighth number?

Option 1: 36

Option 2: 32

Option 3: 40

Option 4: 56