Quantitative Aptitude - Arithmetic Ability Questions

Rizvan walks at 15 km/hr and Ruchitha cycles at 20 km/hr towards each other. What was the distance between them when they started if they meet after 42 minutes?

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:

Divide 32 into two parts such that the sum of the square of the parts is 674. What is the value of the parts?

A water tank is 2/5 th full. Inlet A can fill the tank in 12 minutes while an outlet pipe B can empty it in 6minutes. If both the pipes are open, how long will it take to empty or fill the tank completely?

A train left 1 hour later than the scheduled time but in order to reach its destination 200 km away in time, it had to increase its usual speed by 10 km/hr. What is the usual speed (in km/hr) of the train?

A vendor buys 6 bananas for Rs 25 and sells them at 3 for Rs 20. What is his profit percentage?

If cosecA - cotA = x, then the value of x is

The average of first 20 multiples of 12 is