Question
The average of 10 numbers is 102. The average of the
first 5 numbers is 78 and the average of the last 4 numbers is 46. What is the 6th number?Solution
Total sum of 10 numbers = 10 Ă 102 = 1020 Sum of first 5 numbers = 5 Ă 78 = 390 Sum of last 4 numbers = 4 Ă 46 = 184Â According to question, => 1020 â (390 + 184) = 446
If 'FOND' is written as 'DONF', then 'SOAPâ is written as
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