Research Aptitu...

Nishu and Archana can do a piece of work in 10 days and Nishu alone can do it in 12 days. In How- many days can Archana do it alone?

A can do a piece of work in 10 days and B can do the same work in 20 days. With the help of C, they finish the work in 5 days. How long will It take for C alone to finish the work?

Twenty workers can finish a piece of work in 30 days. After how many days should 5 workers leave the job so that the work is completed in 35 days?

Akshay borrowed Rs 2100 at compound interest of 5% per annum for 2 years. What is the total the amount due after two years?

What is the difference between the simple interest on a principal of Rs. 500 being calculated at 5% per annum for 3 years and 4% per annum for 4 years?

Find the compound interest on Rs. 1000 at the rate of 20% per annum for 18 months when interest is compounded half-yearly.

A train is moving at a speed of 132 kmph. If the length of the train is 110 metres, how long will it take to cross a railway platform 165 m long?

A train 300 m long crossed a platform 900 m long in 1 minute 12 seconds. The speed of the train (in km/hr) is

A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is

Choose the correct alternative that will continue the same pattern and fill in the blank spaces. 2, 7, 14, 23, ___, 47