In following number series, two terms have been put within brackets. Choose the appropriate option

Choose the appropriate option 2, 3, (6), 11, 18, (30), 38

Choose the appropriate option 2, 3, (6), 11, 18, (30), 38

The correct sequence is + 1, + 3, + 5, + 7, + 9, + 11.

Clearly, the term 6 is correct,

But, 30 is wrong and should be replaced by (18 + 9) i.e. 27.

Boys in a class sit in 5 rows such that there is 1 boy in 1st row and 1 boy increase in each row (2 in 2nd 3 in 3rd....). Now they are rearranged again in 5 rows, but equal no. of boys in each row, how many boys are in a row:

No explanation available for this question..

In following questions, a sequence of groups of alphabets and numbers is provided with one term missing , Choose the missing term from options. dfe, jih, mln, ?, vut

There is a gap of three letters between the first letter of each term and the last letter of the next term..