Question
Download Solution PDFThe sum of five numbers is 655. The average of the first two numbers is 75 and the third number is 128. Find the average of the remaining two numbers?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Sum of five numbers = 655
Average of the first two numbers = 75
Third number = 128
Formula Used:
Average = Sum of numbers / Total numbers
Calculation:
Sum of the first two numbers = Average × 2
⇒ Sum of the first two numbers = 75 × 2 = 150
Sum of the remaining two numbers = Total sum - (Sum of the first two numbers + Third number)
⇒ Sum of the remaining two numbers = 655 - (150 + 128)
⇒ Sum of the remaining two numbers = 655 - 278 = 377
Average of the remaining two numbers = Sum of the remaining two numbers / 2
⇒ Average of the remaining two numbers = 377 / 2
⇒ Average of the remaining two numbers = 188.5
The average of the remaining two numbers is 188.5.
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