Quantitative Aptitude - Arithmetic Ability Questions

If ab-1b=cb-1c=ac-1a, then ac+ba+cb

Speeds of a boat along the current and against the current are 14 km/hr and 7 km/hr respectively. What is the speed of boat (in km/hr) in still water?

The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4 and its perimeter is 104 cm. The length of the longest side (in cm) is

In the given figure, PQ = 30, RS = 24 and OM = 12, then what is the value of ON?

How many natural numbers are there between 1000 to 2000, which when divided by 341 leaves remainder 5?

A bus runs at 50 kmph. If the speed is increased by 10 kmph, it will cover 20 km more in the same time. Find the actual distance covered?

A and B together do a job in 12 days and A could do the job in 20 days if he worked alone. How many days would B take to do the job if he worked alone?

Find two numbers whose sum is 29 and the product is 100.