Quantitative Aptitude - Arithmetic Ability Questions

A person scores 45% of the total marks in the exam and still fails by 40 marks. The passing percentage of the exam is 55%. What is the maximum marks of the exam?

1/(secA + tanA) is equal to

Working alone A can do the task in 27 hours and B can do it in 54 hours. Find C's share (in Rs) if A, B and C get paid Rs 4,320 for completing a task in 12 hours on which they worked together.

The marked price of a chair is Rs 550 and a discount of 20% is given on it. What is the selling price (in Rs)?

Find the LCM of 3.2, 2.72, 1.28 and 1.44

Find the total surface area (in cm2) of a cube of side 7.5 cm.

A boat goes a certain distance at 40 km/hr and comes back the same distance at 24 km/hr. What is the average speed (in km/hr) for the total journey?

If P=9, Q=17 then the value of p2-q2-13