How many nanometres is one metre ?

How many micrometers is one metre ?

How many bones are there in one half of the lower jaw of human?

There are 12 distinct points A,B,C...,L, in order, on a circle. Lines are drawn passing through each pair of points (i) How many lines are there in total. (ii) How many lines pass through D. (iii) How many triangles are determined by lines. (iv) How many triangles have on vertex C.

200 m due North means how many metres due South ?

How many lattice points are therein one unit cell of each of the following lattices:- Face centred Tetragonal

How many electrons do the element carries of the respiratory chain carry at one time?

How many numbers formed using the digits 3,2,0,4,3,2,3 exceed one million?