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CBSE Questions

Total Questions 9982
Is the rotation & the revolution of the earth slowing down?why?
In what ways was the history of the Gonds different from that of the Ahoms? Were there any similarities?
Is there a passage to the centre of the earth through snaefell volcanic tube in iceland?
can man-made mutations such as immunity and regeneration work on a human?
Explain the theory of relativity.
THE RADII OF TWO CONCENTRIC CIRCLES ARE 13CM AND 8CM.AB IS A DIAMETER OF THE BIGGER CIRCLE.BD IS A TANGENT TO THE SMALLER CIRCLE TOUCHING IT AT D.FIND THE LENGTH AD.
TWO TANGENT SEGMENTS BC,BD ARE DRAWN TO A CIRCLE WITH A CENTRE O SUCH THAT <DBC=120.PROVE THAT BO = 2BC.
WHAT IS ORS?
WHAT IS THE FULLFORM OF ISON?
WHAT IS THE FULLFORM OF NASA?
How many glass of milk should a girl of age 13 have to drink daily for nourishment?
WHAT ARE MICRO ORGANISMS
Who invented Microscope?
what is the full form of BEL ,BHEL ,HAL ,ISRO,ITI , IISc ,DRDO ,NAL , NCBS and UAS. PLEASE GIVE ME THE FULL FORM OF ALL THESE .
FROM A POINT P,TWO TANGENTS PA AND PB ARE DRAWN TO A CIRCLE O.IF THE DISTANCE BETWEEN P AND O IS EQUAL TO THE DIAMETER OF THE CIRCLE,SHOW THAT TRIANGLE APB IS EQUILATERAL.
IF P AND Q ARE THE ROOTS OF THE QUADRATIC EQUATION X2-PX+Q=0 THEN P=? Q=?
IF 'a' AND 'b' ARE THE ROOTS OF THE EQUATION X2+KX+12=0 SUCH THAT a-b=1 THEN THE VALUE OF K IS?
what is principal focus?
how to balance an a/c ?
what are the various types of water movement that occur in the oceans?