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QUESTION
Q
What will come in place of question mark (?) in the following number series: 62, 87, 187, 412, 812, (?)

Solution

The pattern of the number series is : 62 + 52 = 87 87 + 102 = 187 187 + 152 = 412 412 + 202 = 812 812 + 252 =...

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What will come in place of question mark (?) in the following number series: 78, 24, 105, 361, (?)

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The device used for measuring the wavelength of X–rays is

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Find the relation between x and y based on the given equations i) x2 + 4x − 77 = 0 ii) y2 − 17y + 68 = 0

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