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CBSE->Std 9 Questions

Total Questions 1962
1. x=root2+1, find the value of x-1/x? pls explain.
Name of the bacteria which causes cholera
what are rahat?
what are infinatives
If angle A- Angle B = 63 degree and angle B-angle C = 18 degree. find the measure of the 3 angles of a triangle
What is Green Revolution ?
How to exercise my brain to make it strong
what was the king of Russia called - Tzar or Csar ?
how many quadrants are there in coordinate geometry
what gets wetter and wetter the more it dries .??
what keeps coming,but never arrives.....?
how many years has the earth been alive,plz give me the correct ans:
why all planets round ?
A ball thrown upward reaches a point 'p' of its path at the end of 4 seconds and the highest point 'q' at the end of 12 seconds. After how many seconds from the start will it reach the point 'p' again
who is going to win the next olymbics
how many animals of each species went on to Noah's ark
river narmadha makes a drainage pattern of .............
if the moon attracts the earth ,why does the earth not move towards the moon . give briefly
a man weighting 60 kg runs along the rails with a velocity of 18 kmh-1 and jumps into a car of mass 1 quintal [100 kg] standing on the rails .calculate the velocity with which car will start travelling along the rails.
A DIAGRAM OF velocity time graph.,distance time graph represent retsrdation,negative accleration,uniform and variable velocity on both