Questions

By volume, 78% of air is _______________

Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?

Which cells give rise to various organs of the plant and keep the plant growing?

By which process substance like carbon dioxide or oxygen can move across the cell membrane?

If a+b+c=15 and 1a+1b+1c=71abc, then the a3+b3+c3-3abc is

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

Mir Hassan Dehlavi was in the court of which of the following?

Port of Spain is the Capital City of _______.