Fill ups
…………….points are sufficeints to draw a straight line.

Fill ups …………xxV=W

Fill ups V=Ixx………… .

Fill ups Q= Ixx……………

Fill ups ………….forests are found in Himalayas.

Fill ups ……………is a denitrifying bacterium.

There are 10 points in a plane out of these points no three are in the same straight line except 4 points which are collinear. How many (i) straight lines (ii) trian-gles (iii) quadrilateral, by joining them?

Fill in the blanks: If the x-t graph is a straight line parallel to x-axis , then the body is __________.

Fill in the blanks: If the x-t graph is a straight line inclined to time axis, the graph represent constant _____.

Given p points in a plane, no three of which are collinear q of these Points, which are in the same straight line. Determine the number of (I) straight lines

In a plane there are 37 straight lines, of which 13 passes through the point A and 11 passes through point B. Besides, no three lines passes through one point no line passes through both points A and B and no two are parallel, then find the number of points of intersection of the straight line.