Quantitative Aptitude - Arithmetic Ability Questions

If Rajan purchase 21 pens for Rs 20 and sell all the pens at the rate of 20 pens for Rs 21, then what will be the profit percentage?

The railway fares of air conditioned sleeper and ordinary sleeper class are in the ratio 4:1. The number of passengers travelled by air conditioned sleeper and ordinary sleeper classes were in the ratio 3:25. If the total collection was Rs. 37,000, how much did air conditioner sleeper passengers pay?

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

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?

The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The 15th observation is

Which of the following will yield a recurring decimal?

If x = 1.1, then what is the value of 4x2 -4x + 1 ?

If P = 5X and Q = X, then P is how much percentage more than Q?