Question : The average of 45 numbers was found to be 39. Later on, it was detected that the number 65 was misread as 56. Find the correct average of the given numbers.

Option 1: 39.2

Option 2: 37.2

Option 3: 38.2

Option 4: 36.2

Question : The average marks of 100 students were initially calculated as 40. Later, it was discovered that a score of 53 was misread as 83. What is the correct average mark after fixing this misread score?

Option 1: 38.7

Option 2: 39

Option 3: 39.7

Option 4: 41

Question : A boy found that the average of 20 numbers is 35 when he mistakenly wrote the number '61' instead of '16'. What is the correct average of the 20 numbers?

Option 1: 32.75

Option 2: 37.25

Option 3: 34.75

Option 4: 34.25

Question : The average of twelve numbers is 39. The average of the last five numbers is 35, and that of the first four numbers is 40. The fifth number is 6 less than the sixth number and 5 more than the seventh number. The average of the sixth and seventh numbers is:

Option 1: 47.5

Option 2: 50

Option 3: 39

Option 4: 44.5

Question : The average of twelve numbers is 39. The average of the last five numbers is 35, and that of the first four numbers is 40. The fifth number is 6 less than the sixth number and 5 more than the seventh number. The average of the fifth and sixth numbers is:

Option 1: 47

Option 2: 39

Option 3: 44

Option 4: 50

Question : The average of twelve numbers is 58. The average of the first five numbers is 56 and the average of the next four numbers is 60. The 10^th number is 4 more than the 11^th number and the 11^th number is one less than the 12^th number. What is the average of the 10^th and 12^th numbers?

Option 1: 58.5

Option 2: 59.5

Option 3: 59

Option 4: 58