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CBSE->Std 9 Questions

Total Questions 1962
THE STUDENTS 0F A SCHOOL PARTICIPATING IN A COMPETITION 4 MAKING AND DECORATING PENHOLDERS IN THE SHAPE OF CYLInDER WITH A BASE ,USING CARDBOARD . EACH PENHOLDER WAS 2 BE RADIUS 3cm AND HEIGHT 10.5cm. the SCHOOL WAS TO SUPPLY THE COMPETITORS WITH CARDBOARD .. IF THERE WERE 35 COMPETITORS ,HOW MUCH CARD BOARD WAS REQUIRED 4 THE COMPETITION???
what do you meant by deltaic soil?
what is virgin vegetation?
find the mode of the data 15,14,19,20,14,15,16,14,15,18,14,19,15,17,15. if the last observation is changed to 14, then find the new mode.
find the median of first 10 prime numbers ?
the mean of the following data is 8.05 .find the value of x variable 4 6 8 10 12 frequency 6 x 14 11 3
Find the value for K for which 4x=k-3y has x=4 and y=-3 as the solution set.
PQ AND RS ARE 2PARALLEL CHORD OF A CIRCLE WHERE THE CENTER IS O AND THE RADIUS IS 10CM IF PQ=16CM AND RS=12CM FIND THE DISTANCE BETWEEN PQ AND RS IF THEY LIE [1] ON THE SAME SIDE OF THE CENTER [2] ON THE OPPOSITE SIDE OF THE CENTER
THE LENGTH OF CHORD OF THE CIRCLE OF RADIUS 10CM IS 12CM DETERMINE THE CHORD FROM THE CIRCLE
FIND THE VALUE OF P IF x=-1 , y=2 AND THE SOLUTIoN OF EQUATION 2x+y=p
WRITE TWO SOLUTION FOR THE LINEAR EQUATION 2x+3y+7=0
State the factor on which buoyant force depends on ?
what is motion?
solve the equation: 2x=y
AB AND CD ARE 2PARALLEL CHORD OF A CIRCLE LAYING ON OPPOSITE SIDE OF THE CENTER OF THE CIRCLE IF AB =16cm CD=12cm DISTANCE FROM AB AND CD IS 14cm FIND THE RADIUS OF THE CIRCLE
THE MEAN OF 40 OBSERVATION OF A DATA WAS CALCULATED 16.5AT SOME LATER STAGE IT IS NOTICED THAT A VALUE 20.4 WAS WRONGLY READ AS 16.4 FIND THE VALUE OF CORRECT MEAN
THE MEAN OF 20 NUMBER IS 8.5 AND THE MEAN OF 30 NUMBER IS 11.5 DETERMINE THE MEAN OF 50 NUMBERS
IF P(E)= 0.37 FIND P NOT E.
Explain the working of gold leaves electroscope?
Modals