Quantitative Aptitude - Arithmetic Ability Questions

A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B take to finish the rest of the job?

A shopkeeper offers 2.5% discount on cash purchases . What cash amount would Rohit pay for a cycle , the marked price of which is Rs.3600 ?

3/5 of my current age is the same as 5/6 of that of one of my cousin. My age ten ago will be his age four years hence. My current age is ___ years.

Find the Odd one out.

ΔABC is right angled at B. If m∠A = 45°, then find the value of (cosecC + 1/√3).

A train travelling at the speed of 66 kmph crosses a 300 m long platform in 24 seconds. How long was the train?

The marked price of an article is 20% more than its cost price. If 5% discount is given on the marked price, then what is the profit percentage?

The average age of 6 members of a family is 20 years. If the age of the servant is included, then the average age increase by 25%. What is the age (in years) of the servant?