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A : B : C = 3x : 4x : 7x A2 + B2 + C2 = 9x2 + 16x2 + 49x2 = 74x2 => 74x2 = 666 => x = 3 => A + B + C = 3x + 4x + 7x = 14x = 14 × 3 = 42
D irection: Which of the following will replace ‘?’ in the following series
460, 462, ‘?’, 467.5, 470.97
...In each of the following questions the number series is given. One term of the series is denoted by x. You have to calculate of value of x and by using ...
43 65 109 197 ? 725
112 ? 336 840 2520 8820
...1600, 330, 48, 23.2, ?, 31.0464
42 43 46 ...
8, 7, 12, 35, 128, 635
14 15 32 99 400 ?
...13 14 22.5 ? 120 363
...Select the number from among the given options that can replace the question mark (?) in the following series.
24, 35, 51, 73, 102, ?
