Question
The average of five numbers is 62. When three more numbers
are included, the average increases by 6. Find the average of the numbers included.Solution
Sum of the 5 numbers = 62 × 5 = 310
New average = 62 + 6 = 68
Sum of 8 numbers = 68 × 8 = 544
Sum of new 3 numbers = 544 - 310 = 234
Required average = 234 ÷ 3 = 78
Find the value of 24 -Â 3Â
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