Quantitative Aptitude - Arithmetic Ability Questions

Which of the following numbers is a perfect square?

When Gopal walks from A to B and returns from B to A on cycle, then it takes him 46 minutes. By walking both ways, it takes him 75 minutes. If he rides cycle both ways then what will be the total time (in minutes)?

A, B and C can do a job working alone in 6, 9 and 18 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to complete the remainder of the job?

The prices of chairs and tables are in the ratio of 9 : 5. If the chairs cost Rs. 4200 more than the tables, find the price of the tables? (in Rs.)

What is the value of (cot60 + 1/√3) ?

Select the odd letters from the given alternatives.

Point P is the midpoint of segment AB. Co-ordinates of P are (3 , 1) and B are (5, -4). What are the co-ordinates of point A?

A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is