Complete the series.
148,150,156,168, (……)

Correct option is D

There is a series of difference in 148 +2 =150 ;
150 +6 =156;
156+12 =168;
168+20 =188;
Here we have series 2,6,12,20 in this we have difference 4 ,6 ,8 Difference is getting increased by +2