# CBSE MATHS for classes X to XII Online Test

If a Line makes angle 90 with X,Y and Z axes, Find its direction cosine

The direction cosine of a line which makes equal angles with co ordinate axes are

If a line has direction ratios 12, -18, -4 then which of the following is not its directional cosines

The points (2,3,4),(-1,-2,1) and (5,8,7) are co linear

The three lines with direction cosines

12/13, -3/13,-4/13

4/13, 12/13,3/13

3/13, -4/13,12/13

are mutually perpendicular.

Two lines with directional cosines l,m,n and x,y,z are perpendicular to each other if

lx+my+nz is equal to

The line through ( 1,-1,2) (3,4,-2) is perpendicular to the line through the points (o,3,2) (3,5,6)

The line AB will be parallel to the line CD if

Find the cartesian equation of the line which passes through the point (-2,4,-5) and parallel to the line given by

(x+3)/3 = (y-4)/5 = (z+8)/6.

Determine the distance of the plane from the orizin for z=2

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This is a small collection of Math questions that I prepared for students in CBSE X-XII classes. This is only a sample - I have more then 5000 such questions iand send them to you by email. We can discuss modes of payment, if you're interested

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you could also visit http://www.tcyonline.com/exam-preparation-cbse-class-10/100282/cbse-class-10/67 for NCERT Solution of CBSE Class 10 math & science..

2086 days 20 hours 36 minutes ago

hai

3771 days 19 hours 21 minutes ago

jhkjhgdffkljgusjdlgyrtkjdsukljdg

3771 days 19 hours 24 minutes ago

Could answer only those which i have studies so far

3952 days 17 hours 35 minutes ago 14 Followers

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