CBSE Math Board Papers Solutions 2008
(i) All questions are compulsory.
(ii) The question paper consists of 30 questions divided into four sections– A, B, C and D. Section A comprises of ten questions of 1 mark each, Section B comprises of five questions of 2 marks each, Section C comprises of ten questions of 3 marks each, and Section D comprises of five questions of 6 marks each.
(iii) All questions in section A are to be answered in one word, one sentence or as per the exact requirement of the question.
(iv) In question on construction, the drawings should be neat and exactly as per the given measurements.
(v) Use of calculators is not permitted.
Section A
Question number 1 to 10 carry 1 mark each.
Question 1 ( 1.0 marks)
expansion or a non-terminating repeating decimal expansion.
Solution:
,
where m = 2 and n = 3 are non-negative integers.
Question 2 ( 1.0 marks)
Write the polynomial, the product and sum of whose zeroes are
Solution:
Let α and β be the zeroes of the required polynomial.
It is given that,Therefore, the required polynomial is given by
For k = 2,
Thus, one of the polynomials which satisfy the given condition is