Quantitative Aptitude - Arithmetic Ability Questions

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

A shopkeeper marks his goods 40% above the cost price and allows a discount of 25% on it. His gain % is

ax + 3y = 6 has slope -2/3. What is the value of a?

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

A can make a cupboard in 10 days and B can do it in 50 days. Along with C, they did the job in 6.25 days only. Then in how many days C alone can do the job?

A car covers the first 30 km at a speed of 60 kmph and the next 20 km at 80 kmph. Find the average speed.

In a mixture of 25 litres, the ratio of milk to water is 4:1. Another 3 litres of water is added to the mixture. The ratio of milk to water in the new mixture is

A 150 m long train, travelling at 54 km/h, crosses a platform in 42 seconds. What is the length of the platform?