Question : Directions: What should come in place of the question mark (?) in the given series? 242, 246, 255, ?, 296
Option 1: 271
Option 2: 264
Option 3: 270
Option 4: 259
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Correct Answer: 271
Solution : Given: 242, 246, 255, ?, 296
Add the squares of the consecutive numbers (starting from 2) to each term to get the next term of the series. 242 + (2)2 = 242 + 4 = 246 246 + (3)2 = 246 + 9 = 255 255 + (4)2 = 255 + 16 = 271 271 + (5)2 = 271 + 25 = 296
So, 271 is the missing number of the series. Hence, the first option is correct.
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Question : Directions: What should come in place of the question mark (?) in the given series? 3, 10, 39, ?, 885, 5346, 37471
Option 1: 56
Option 2: 45
Option 3: 720
Option 4: 172
Question : Directions: What should come in place of the question mark (?) in the given series? 57, 43, 31, 21, 13, (?)
Option 1: 5
Option 2: 6
Option 3: 9
Option 4: 7
Question : Directions: What should come in place of the question mark (?) in the given series? 18, 72, ?, 1152, 4608
Option 1: 274
Option 2: 218
Option 3: 304
Option 4: 288
Question : Directions: What should come in place of the question mark (?) in the given series? 36, 108, 54, ?, 81, 243
Option 1: 82
Option 2: 88
Option 3: 162
Option 4: 170
Question : Directions: What should come in place of the question mark (?) in the given series? 333, 337, 345, ?, 393
Option 1: 361
Option 2: 349
Option 3: 378
Option 4: 382
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