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CBSE->Std 10 Questions

Total Questions 2595
difference between concave and convex mirror
what is a centre of curvature
can u explain 3 wars related to german unification?
explain about carbon compounds
who is adivasi?
milk contain a yellowish substance?why and because of what?
DIAGRAM OF DNA?
WHAT IS THE ROLE OF A TEACHER IN STUDENT'S FUTURE?
WHAT IS THE MOTIVE OF PUBLIC SECTOR ENTERPRISE?
what do you mean by GDP?
Find the value of discriminant for the quadratic polynomial 2x-4x+36=0
who is the pioneer of indian cinema?
EXPLAIN THE STRUCTURE & FUNCTION OF DNA.
WHAT ARE LIFE PROCESSES?
WHAT ARE IONIC BONDS?
what is meant by tissue culture ?
DEAR SIR , IWANT TO KNOW THAT IF SINGLE BONDS , DOUBLE BONDS , TRIPLE BONDS ARE COMING UNDER COVALENT BONDS
daily wages of 50 workers of a factory are given daily wages number of workers 100-120 12 120-140 f 140-160 8 160-180 6 180-200 10 find the missing frequency f. hence find the median daily wages of the workers
find the mean of the given data which represent the height (in cm) of 50 girls of class 10 of a school height(in cm ) = 120-130 130-140 140-150 150-160 160-170 total number of girls = 2 8 12 20 8 50
find the mode of the following data classes frequency 5-15 6 15-25 11 25-35 21 35-45 23 45-55 14 55-65 5