Question
Find the mean proportion of 2.56 and
0.0324.Solution
Mean proportion of 'a' and 'b' = β(a X b) So, required mean = β(2.56 X 0.0324) = 1.6 X 0.18 = 0.288
Find the wrong number in the given number series.
120, 126, 138, 162, 220, 306
Find the wrong number in the given number series.
- 342, - 218, - 96, 27, 150, 273
5, 11, 19, 27, 41, 55
Find the wrong number in the given number series.
2, 4, 12, 48, 120, 1440
100, 164, 740, 3044, 9444, 20320
Find the wrong number in the given number series.
9, 10, 65, 27, 217, 5016, 36, 128, 768, 6144, 61440
Find the wrong number in the given number series.
29, 60, 123, 250, 515, 1016
120, 136, 111, 147, 93, 162, 81
420, 380, 340, 300, 280, 220, 180