What is the form in which bullion is traded on the India

Consider the Ouestion and two Statements given below :

Question : Is x an integer?

Statement-1 : x/3 is not an integer.

In the series _b_a_ba_b_abab_aab; fill in the six blanks (_) using one of the following given four choices such that the series follows a specific order.

Consider all 3-digit numbers (without repetition of digits) obtained using three non-zero digits which are multiples of 3. Let S he their sum.

Six persons A, B, C, D, E and F are sitting equidistant from each other around a circular table (facing the centre of the table).

Consider two Statements and a Question :

Statement-1: The last day of the month is a Wednesday

What is the value of X in the sequence 2, 12, 36, 80, 150, X?

Consider the following statements :

1.    The sum of 5 consecutive integers can be 100.