Quantitative Aptitude - Arithmetic Ability Questions

If cost price of 5 cars is equal to selling price of 4 cars. Find the percentage of profit or loss?

The mean of the data 1, 2, 10, 18, 3, 17, 19 is

A sum fetched a total simple interest of Rs. 7728 at the rate of 7% per year in 8 years. What is the sum?

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

What is the value of 5/9 + 7/8?

In an exam, the avarage marks obtained by John in English, Maths, Hindi and Drawing were 50. His average marks in Maths, Science, Social Studies and Craft were 70. If the average marks in all seven subjects is 58, his score in maths was

A mixture of 50 kg of cement and gravel contains 10% of gravel. How many kg of gravel must be added to make the gravel content 28% in the new mixture?

What is the value of sec2θ + 1sec2θ - 1 x 12cotθ - tanθ ?