Quantitative Aptitude - Arithmetic Ability Questions

Which of the following quadratic equations has real roots?

Which of the following ratios can be the ratio of the sides of a right angled triangle?

A train runs at 80 kmph for the first 40 km and the next 30 km at 60 kmph. Find the average speed.

A product was sold foe Rs. 4,500 at a profit of 12.5%. What was the amount of profit?

Cost price of an article is Rs 360. If the profit percentage is 32%, then what is the value (in Rs) of profit?

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

On selling 56 chairs, Mohan earns profit equal to the selling price of 6 chairs. What is the profit percentage?

If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?