This bheja fry question is the easiest.
Question
Complete the series
12 , 17 , 23 , 30, 38 , ???
Answer
I named brain teasers as bheja fry questions !!!
Brain teasers always follow certain type of series.
If we come to know what is the format of series , it is very easy to solve the problem.
Like in above problem,
We can see that given numbers 12. 17 , 23 , 30 .....
The first number is getting increased by +5.
Next number by +6.
Next number by +7.
Next number by +8.
Next number by +9. And so on.
So coming to last given number which is 38.
The next number should get increased by +9.
That means 38 must get increased by +9
Hence answer is 38 + 9 = 47 .