Which one of the following instrument is used to measure wind speed?
Anemometer is used to measure the wind speed.
10 persons begin to work together on a job, but after some days, 4 persons leave. As a result, the job, which could have been completed in 40 days, was ...
A and B can do job in 6 days. B and C can do same job in 12 days. A, B and C together can do same job in 4 days. In how many days A and C together can c...
Raj and Rajat can finish a piece of work in 30 days and 40 days respectively. Raj started the work alone. After how many days should Rajat join him so t...
