Question : The numbers of students in section A and section B of a class are 50 and 62, respectively. The average score in mathematics of all the students is 75. If the average score of students in section A is 20% more than that of students in section B, then what is the average score of students in section A (correct to one decimal place)?

Option 1: 87.5

Option 2: 82.6

Option 3: 84.3

Option 4: 85.7

Question : The number of students in section A and section B of a class are 40 and 52, respectively. The average score in mathematics of all the students is 75. If the average score of the students in A is 20 % more than that of students in B then what is the average score of students in B?

Option 1: 71

Option 2: 65

Option 3: 69

Option 4: 63

Question : The average of twenty-five numbers is 54. The average of the first 13 numbers and that of the last 13 numbers is 52.8 and 62.2, respectively. If the 13^th number is excluded, then what is the average of the remaining numbers (corrected to one decimal place)?

Option 1: 50.6

Option 2: 49.8

Option 3: 51.2

Option 4: 50.2

Question : The average of 25 numbers is 64. The averages of the first 13 numbers and that of the last 13 numbers are 62.8 and 72.2, respectively. If the ${12}^{\text{th }}$ number is 61, and if the ${12}^{\text{th }}$ and ${13}^{\text{th }}$ numbers are excluded, then what is the average of the remaining numbers (correct to one decimal place)?

Option 1: 59.2

Option 2: 62.2

Option 3: 60.2

Option 4: 61.5

Question : The average of seven consecutive numbers is 20. The largest of these numbers is:

Option 1: 24

Option 2: 23

Option 3: 22

Option 4: 20

Question : Nine students in a class contribute a certain sum of money. Seven of them gave Rs. 50 each, and the other two gave, respectively, Rs. 50 and Rs. 90 more than the average contribution. The average contribution of the class of nine students is:

Option 1: Rs. 70

Option 2: Rs. 50

Option 3: Rs. 100

Option 4: Rs. 120