Question : Directions: What should come in place of the question mark (?) in the given series?
339, 340, 348, ?, 439
Option 1: 377
Option 2: 492
Option 3: 380
Option 4: 375
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Correct Answer: 375
Solution :
Given:
339, 340, 348, ?, 439
Add the cubes of the consecutive numbers (starting from 1) to each term to get the next term in the series.
339 + (1)
3
= 339 + 1 = 340
340 + (2)
3
= 340 + 8 = 348
348 + (3)
3
= 348 + 27 = 375
375 + (4)
3
= 375 + 64 = 439
So, 375 is the missing number of the given series. Hence, the fourth option is correct.
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