Question
Average of 8 numbers is 15. When one number is removed,
the average becomes 14. Find the removed number.Solution
ATQ, Sum of 8 numbers = 120 Sum of remaining 7 = 98 Removed = 22
632, 625, 611, 590, 562, ?
30, 42, 54, 66, ?, 90
24  12  18  ?  157.5  708.75  3,898.125
150 Â Â Â 15Â Â Â 3Â Â Â ? Â Â Â Â 0.36Â Â Â Â 0.18
What will come in place of the question mark (?) in the following series?
17, 138, 307, 532, ?, 1182
Find the missing number, in the given number series.
60, 150, ?, 450, 450, 225
10, 10, 15, 30, 75, ?
?, 6, 6, 9, 18, 45
10,14,26,42,70,?
In each of the following number series, one term is missing. Find the missing term.
3, 8, 15, 24, 35, ?