Question

Find the Odd one out of the given series

6, 15, 35, 77, 165, 221
A) 221
B) 165
C) 35
D) 77

Answer 1

6x2= 12+3=15
15×2= 30+5=35
35×2= 70+7=77
77×2= 154+9=163
163×2= 326+11=337

So 165 and 221 both are odd

Answer 2

221
hope it helps u if yes so pls follow me