Question
Among the ratios 3 : 4, 5 : 8, 1 : 2, 6 : 9 which is the
greatest?Solution
ATQ,
Convert each ratio to a fraction: 3 : 4 ⇒ 3/4 5 : 8 ⇒ 5/8 1 : 2 ⇒ 1/2 6 : 9 ⇒ 6/9 Convert fractions to decimal values: 3/4 = 0.75 5/8 = 0.625 1/2 = 0.5 6/9 = 0.6667 Compare the decimal values: 0.75 > 0.625 > 0.6667 > 0.5 The greatest ratio is 3 : 4.
2, 12, 36, 80, ?, 252
52 25 27 ? 208 1648
...86 36 ? 7 7.5 0.75
12Â Â Â Â Â Â Â Â Â Â 156Â Â Â Â Â Â Â Â 256Â Â Â Â Â Â Â Â 320Â Â Â Â Â Â Â Â 356Â Â Â Â Â Â Â Â ?
...3 12 48 192 768 ?
21, 63, 315, ?, 19845, 218295
4 5 12 39 160 ?
...21Â Â Â Â Â Â Â Â Â Â 48Â Â Â Â Â Â Â Â Â Â 173Â Â Â Â Â Â Â Â 516Â Â Â Â Â Â Â Â 1245Â Â Â Â Â Â 2576Â Â Â Â Â Â ?
...What should come in place of the question mark (?) in the following number series?  Â
 58   30    29     �...
Select the number from among the given options that can replace the question mark (?) in the following series.
8, 27, 64, 125, 216, ?
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