Question

In question, a sequence with one blank is given in each question. Identify the correct answer among the given options to fill that blank.

7, 151, 251, 315, _______

1. 351
2. 417
3. 513
4. 619
5.

Answer 1

Correct Answer - Option 1 : 351

The logic is:

7 + 12² = 7 + 144 = 151

151 + 10² = 151 + 100 = 251

251 + 8² = 251 + 64 = 315

315 + 6² = 315 + 36 = 351

Hence, ‘351’ is the correct answer.