Question : The average of nine numbers is 20. If two of these numbers are removed, then the average becomes 18. What is the sum of the two numbers that are removed?

Option 1: 56

Option 2: 58

Option 3: 54

Option 4: 52

Question : The average of five consecutive numbers is 53. What is the biggest of these numbers?

Option 1: 52

Option 2: 55

Option 3: 53

Option 4: 54

Question : Three numbers are in the ratio of 1 : 2 : 3. The product of the three numbers is 1296. What is the sum of the three numbers?

Option 1: 36

Option 2: 30

Option 3: 72

Option 4: 24

Question : The average of 7 consecutive odd numbers is A. If the next 3 and the previous 2 odd numbers to these 7 odd numbers are also included, what is the new average of these 12 consecutive odd numbers?

Option 1: A + 1

Option 2: A – 2

Option 3: A + 2

Option 4: A + 3

Question : The average of 4 numbers is 45. The average of the first two numbers is thrice the average of the other two numbers. What is the sum of the first two numbers?

Option 1: 122

Option 2: 105

Option 3: 125

Option 4: 135