Quantitative Aptitude - Arithmetic Ability Questions

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

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?

A mason can build a wall in 18 hours. After 9 hours he takes a break. What fraction of the wall is yet to be built?

Point P (8 , 5) is the midpoint of segment AB. Co-ordinates of A are (5, y) and B are (x, -3). What is the value of x?

A train travelling at 76 kmph crosses a 450 m long platform in 27 seconds. What is the length of the train?

Find the odd word/letters/number from the given alternatives.

If the shopkeeper sells an item at Rs 450 which is marked as Rs 600, then what is the discount he is offering?

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?