One gross means how many items ?

One dozen means how many items ?

200 m due North means how many metres due South ?

-3 km due East means how many kilometres due West?

Electronic configuration of only one P block element is exceptional one molecuale of that element consists of how many atoms of it ?

If NAV of one unit is 40, then how many units will be alloted for the investment of 20,000.

Answer the given question in one sentence : How many types of muscles are there? Which are those types?

If NAV of one unit is 250, then how many such units will be required for the investment of 100000?