Question
The mean proportional of 5 and 45 is
_____.Solution
We know that, Mean proportion of 'a' and 'b' = β(a Γ b)
So, Mean proportion = β(5 Γ 45) = β225 = 15
Find the Wrong number in the given number series.
3, 6, 2, 8, 2.4, 9.6
Find the wrong number in the given number series.
102, 124, 160, 212, 289, 410
Find the wrong number in the given number series.
243, 324, 432, 576, 746, 1024
Find the wrong number in the given number series.
21, 31, 11, 41, 1, 61Find the wrong number in given series.
2118, 2140, 2209, 2334, 2550, 2893
1137, 1138, 1142, 1151, 1185, 1310Β
78, 88, 118, 208, 468, 1288
Find the wrong number in given number series.
136, 184, 250, 304, 376, 456
53, 57, 66, 82, 117, 143, 192
5, 32, 16, 140, 105, 448