The mean of 11 results is 30. If the mean of the first 6 results is 28 and the mean of the last 6 results If 32, find the 6th result. [CBSE 2000]
The average of 19 results is 111. If the average of first 10 results is 82 and that of the last 10 results is 129, then what will be the 10 result?
The average of 13 results is 60 . If the average of first 7 Results is 59 and that of last 7 results is 61 , what will be the seventh results ?
Think of a number. Multiply it by 4.Subtract 2 from the result. Divide the result by 2. Add 6 to the result. Let the number be x = 16 , then twice the result is
Think of a number. Multiply it by 4.Subtract 2 from the result. Divide the result by 2. Add 6 to the result. The number is x = 10 , then the result is a/an
The average of 11 results is 50 .If the average of the first 6 results is 49 and that of the last 6 is 52, the 6 th result is
