Question
What value should come in the place of (?) in the
following number series? 300, 421, 252, ?, 188, 549Solution
ATQ, 300 + 11² = 300 + 121 = 421 421 – 13² = 421 – 169 = 252 252 + 15² = 252 + 225 = 477 477 – 17² = 477 – 289 = 188 188 + 19² = 188 + 361 = 549 So the pattern is: +11², –13², +15², –17², +19². Hence 477 will come in place of (?)
Match List-I with List-II and select the correct answer using the code given below:
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