Quantitative Aptitude - Arithmetic Ability Questions

S and T can finish a work in 50 days. They worked together for 20 days and then left. How much of the work is left?

Of the 5 subjects, the average marks of Rakesh in first 3 Subjects was 79 and the average marks in the last 3 subjects was 86. If his marks in the third subject was 80, then what was his average marks in all the 5 subjects?

The average of 19 consecutive even integers is 50. The highest of these integers is

If the perimeter of a semi-circle is 108 cm, then find its radius (in cm).

In the following question, select the odd word from the given alternatives.

In how many months will Rs 8,000 yield Rs 2,648 as compound interest at 20% per annum compounded semi-annually?

A sum fetched a total simple interest of Rs. 7056 at the rate of 8 percent per year in 7 years. What is the sum?

A and B can together complete a task in 18 hours. After 6 hours A leaves. B takes 36 hours to finish rest of the task. How many hours would A have taken to do the task if he worked alone?