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CBSE->Std 10 Questions

Total Questions 2595
WHAT IS EUCLID'S DIVISION ALGORITHM?
WHO IS THE FATHER OF SOCIOLOGY?
WHY IS INDIA KNOWN AS SECULAR COUNTRY?
WHAT ARE ANODE RAYS AND CATHODE RAYS?
WHAT ARE DETERMINERS?
give a simple diagram of a heart.
Find all other zeroes of the polynomial p(x) = 2x3 + 3x2 -11x -6,if one of its zero is -3 ( 5 marks)
What must be added to the polynomial f(x) = x4 +2x3 -2x2 + x-1 so that the resulting polynomial is exactly divisible by x2 + 2x -3. ( 5 marks)
If the polynomial x4 -6x3 + 16x2 + 25x + 10 is divided by another polynomial x2-2x+k,the remainder comes out to be x+a,find the value of k and a. ( 5 marks)
If the remainder on division of x3 + 2x2 + k x + 3 by x – 3 is 21,find the quotient and the value of k . hence find the zeros of the cubic polynomial x3 + 2x2+ k x -18 ( 5 marks)
If two zeros of the polynomial p(x) = x4 - 6x3 - 26x2 + 138x - 35 are 2 ± ?3. Find the other zeros. ( 5 marks)
Find all the zeroes of the polynomial x4 + x3- 9x2 - 3x +18 if 2 of its zeroes are ?3 and -?3 ( 5 marks)
Find the other zeroes of the polynomial x4 - 7x2 + 12 if it is given that two of its zeroes are ?3 and -?3. ( 5 marks)
Divide 2x2+ x - 20 by x + 3 and verify division algorithm . (2 marks)
Check whether x2 + 3x + 1 is a factor of 3x4 + 5x3 - 7x2 + 2x + 2 . (2 marks)
It being give that 1 is one of the zeroes of the polynomial 7x – x3 - 6 .find its other zeros . (2 marks)
Find the zeroes of the polynomial 100x2-81. (2 marks)
Alpha, beta are the root of the quadratic polynomial x2-(k+6) x+2(2k-1).Find k if Alpha +beta = 1/2 Alpha beta. (2 marks)
Find the zeroes of the quadratic polynomial x2+7x+12 and verify the relationship between the zeroes and the coefficients. (2 marks)
prove that the product of 2 consecutive positive integer is divisible by 2.