Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.
Choose the number which is different from others in the group.
All other numbers except 48 are one more than the square of a certain number. Hence, the answer is A. 50 = 49 + 1 82 = 81 + 1 170 = 169 + 1 290 = 289 + 1 48 = 49 - 1