48:122::168:?

Question 5:

48:122::168:?

Answer:

downpour

Solution:

As,

48+1=49=7²=perfect square

122-1=121=11²=perfect square

Here, 7+4=11

Similarly,

168+1=169=13²=perfect square

So, 13+4=17

So, 17²=289=perfect square

So, 289+1=290

To understand,

168+1=169=13²=perfect square

290-1=289=17²=perfect square

So, 13+4=17