Question

What will come in the place of question (?) mark in following number series –

251, 130, 274, ?, 301, 76 

A 125 Correct Answer Incorrect Answer
B 110 Correct Answer Incorrect Answer
C 100 Correct Answer Incorrect Answer
D 105 Correct Answer Incorrect Answer
E none of these Correct Answer Incorrect Answer

Solution

251, 130, 274, ?, 301, 76 251 - (11)2 = 130 130 + (12)2 = 274 274 - (13)2 = 105 105 + (14)2 = 301 301 - (15)2 = 76

Practice Next

Relevant for Exams:

×
×