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CBSE->Plus 1 Biology Science Questions

Total Questions 411
Find the value of x such that PQ=QR where the coordinates of P,Q,and R are(6,-1),(1,3) and (x,8)
Find the value of m for which the points with coordinates (3,5),(m,6) and (1/2,15/2) are collinear?
find the ratio in which the line segment joining the points(6,4) and(1,-7) is divided by x-axsis.
Two vertices of a triangle are (1,2) and (3,5).If the centroid of the triangle is at the orgin,find the coordinates of the third vertex.
The coordinates of midpoints of the line joining the points(3p,4) and (-2,2q)are (5,p).find the value of p and q?
determine the ratio in which the point P(b,1) divides the join of A(7,-2 )and B(-5,6).also find the value of b?
determine the ratio in which the point P(k,2) divides the join of A(-3,5 )and B(5,1).also find the value of k?
determine the ratio in which the point P(a,-2) divides the join of A(-4,3 )and B(2,-4).also find the value of a?
determine the ratio in which the point(-6,a) divides the join of A(-3,-1)and B(-8,9).find the value of a?
The pth term of an A.P is q and the qth term is p.Find the (p+q)th term?
In an A.P, the 24th term is twice the 10th term.Prove that the 36th term is twice the 16th term?
If 5 times the 5th term of an A.P is eequal to 10times the 10th term,show that its 15th term is zero?
determine k so that 4k+8,2ksquare+3k+6,3ksquare+4k+4 are thre consecutive terms of an A.P?
Determine k so that k+2,4k-6,and 3k-2 are the three consecutive terms of an A.P?
The third term of an A.P is P and the 4th term is q.Find the 10th term?
The third term of an A.P is 1 and the 6th term is -11.Determine its 15th term and nth term?
Find the sum of all mltiples of 5 lying between 101 and 999?
WRITE THE SEQUENCE WITH THE nTH TERM: a) 5+2n b) 6-n Show that all of the above sequences form A.P.Find the sum of the first 15 terms of each.
The angle of elevation of a cloud from a point 60m above a lake is 30 degree and the angle of depression of the reflection of the cloud in the lake is 60 degree.Find the height of the cloud from the surface of the lake?
The angle of elevation of a cloud from a point 60m above a lake is 30 degree and the angle of depression of the reflection of the cloud in the lake is 60 degree.Find the height of the cloud from the surface of the lake?