l varies directly as m and l is equal to 5, when `m=2/3` Find l when
`m=16/3`

It is given that l varies directly as m. Find the constant of proportion (k), when l is 6 then m is 18.

It is given that l varies directly as m. Write an equation which relates l and m.

It is given that l varies directly as m. Find l, when m is 33.

It is given that l varies directly as m. Find m when l is 8.

The area of four walls of room is given by A=2h(l+b). Make l as the subject of the formula. Find l when A=100m^(2) , h=5m, and b=4m.

Find the L.C.M of 4/5, 2/3 and 5/7

Let l_(1),m_(1),n_(1);l_(2),m_(2),n_(2) and l_(3),m_(3),n_(3) be the direction cosines of three mutually perpendicular lines.Show that the direction ratios of the line which makes equal angles with each of them are (l_(1)+l_(2)+l_(3)),(m_(1)+m_(2)+m_(3)),(n_(1)+n_(2)+n_(3))

If matrix A=[[1,2,3], [4,1,2], [1,-1,2]] B= [[2,1,3], [4,1,-1], [2,2,3]] C= [[14], [12], [2]] D= [[13], [11], [14]]. When X= [[x], [y],[z]] is such that solutions of equations AX=C and BX=D represents two points L and M in three dimensional space. If l' and M' are the reflection of points L and M in the plane x+y+z=9 then find values of L,M,L' and M'

Give all possible values of l, m_l and m_s for electrons when n = 3 .