Quantitative Aptitude - Arithmetic Ability Questions

Which of the following numbers is a perfect square?

A shopkeeper by selling 13 Titan watches, earns a profit equal to the selling price of 3 Titan watches. His profit percentage is

At an average of 80 km/hr Shatabdi Express reaches Ranchi from Kolkata in 7 hrs. Then the distance between Kolkata and Ranchi is

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

The value of x for which the expressions 5x + 17 and 17x - 5 become equal is _____.

If x/2 - [4(15/2 - x/3)]/3 = -x/18, then what is the value of x?

If p = 99, then the value of p(p2+3p+3) will be

The marked price of a pen is Rs 3000. The shopkeeper gives two successive discounts of 15% and a% to the customer. If the customer pays Rs 2142 for the pen, then what is the value (in percentage) of a?