Question : The average of 4 consecutive numbers is 35.5. Find the highest number among these numbers.
Option 1: 37
Option 2: 36
Option 3: 40
Option 4: 39
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Correct Answer: 37
Solution : Given, The average of 4 consecutive numbers is 35.5. Let the 4 numbers be $x,x+1,x+2\text{ and }x+3$ ⇒ $\frac{x+x+1+x+2+x+3}{4}=35.5$ ⇒ $4x + 6 = 142$ ⇒ $4x = 136$ ⇒ $x = 34$ ⇒ The highest number $=x+3 = 34+3=37$ Hence, the correct answer is 37.
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Question : The average of 4 consecutive numbers is 64.5. What is the largest number among these numbers?
Option 1: 62
Option 2: 60
Option 3: 67
Option 4: 66
Question : The average of five consecutive odd numbers is 37. What is the sum of the highest and the lowest number?
Option 1: 8
Option 2: 74
Option 3: 41
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 20 numbers is 36. If each number is increased by 4, then what will be the new average?
Option 1: 44
Option 2: 46
Option 4: 36
Question : The average of 5 numbers is 48. The average of the two numbers is 40 while the average of the other two is 58. Find the value of the remaining number.
Option 2: 34
Option 4: 30
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