List of top Quantitative Aptitude Questions asked in IBSAT

In each of the following questions a number series is given with one missing (?) term. The term is given as one of the alternatives among the five numbers given in the answer choic Find the term.
2, 5,11,23,47,?

What is the length of the longest rod that can be put on the floor of a rectangular room measuring 45 min length and 28 m in breadth?

The sides of a rectangular field are in the ratio of 3:5 and its area is 2535 m2. Calculate the cost of fencing it at the rate of Rs.2.50/m.