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CBSE->Std 10 Questions

Total Questions 2595
what is the BP rate of normal human body?
is soda lime and quick lime are same?
when x*x*x*x-6x*x*x+16x*x-25x+10 is divided by x*x-2x+k the remainder is x+a find k and a.
21 is the remainder when x*x*x + 2x*x + kx + 3 is divided by x - 3. Find k.
RECIPROCAL OF 1/2+3
Was there humans during dino ages?
Find all the zeroes of 3x*x*x*x+3x*x-11x*x-5x+10 given this polynomial exactly divisible by 3x*x-5.
On dividing the polynomial x*x*x - 2x*x + x - 2 by another polynomial g(x) the quotient was x - 2 and the remainder 4 - 2x. Find g(x).
what must be subtracted from polynomial x*x*x*x+2x*x*x-13x*x-12x+21 so that the resulting polynomial is exactly divisible by x*x-4x+3?
find the polynomial p(x) which when divided by 4x*x+3x-2 gives quotient 2x*x+2x-1 and remainder 4x-10.
are 0,60,90,30,45 the only special angles or is there more?
What is a super conductor?is it possible to make it?what are the key elements?
What is called reciprocal of focal length of a lens ?
find the zeroes of the quadratic polynomial [(4s*4s)-4s+1] and verify the relationship between the zeroes and the coefficients
is melting of ice a physical or chemical change ?
Which came first - hen or its egg?
What is economics? Is it a part of social studies?
What is the safest social networking website?
Can you tell me a software to mix sounds?
I totally suck in GK. My dad says I've gotta read d news paper. Please suggest a way for me to make newspaper reading interesting.