Quantitative Aptitude - Arithmetic Ability Questions

A 150 m long train, travelling at 54 km/h, crosses a platform in 42 seconds. What is the length of the platform?

The ratio of present ages of Ramita and Satyajit is 9:7. After 9 years the ratio of their ages will be 5:4. What is Ramita's present age?

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

D, E, F are the mid - points of the sides BC , CA and AB respectively of a ΔABC . Then the ratio of the areas of ΔDEF and ΔABC is

In these tests find the Odd figure out

In the following question, select the related number from the given alternatives.

695 : 659 : : 839 : ?

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby

The amount received at 10% per annum compound interest after 3 yrs is Rs 10,648. What was the principal (in Rs)?