CBSE X (All India)
MATHEMATICS PAPER 2005.
Time allowed: 3 hours; Maximum Marks: 100
| General Instructions:
|| All questions are compulsory.
|| The question paper consists of 25
questions divided into three sections A, B and C Section A contain 10 (1- 10)
questions of 3 marks each. Section B contains 10 questions 10 (11-20) questions
of 4 marks each. Section C contains 5 (21-25) questions of 6 marks each.
|| There is no overall choice.
However, an internal choice has been provided in each section.
|| In question on construction, the
drawing should be neat and exactly as per the given measurements.
|| Use of calculator is not
permitted. However, you may ask for Mathematical tables.
|| Please give the explanation for
the answer where applicable.
1.Add the difference of
2.Find the sum of all two digit odd positive numbers.
for x and y: and
4. Find a and b so that the polynomials:
6.The 8 th term of an Arithmetic progression is zero. Prove that
is triple its th
cash price of a machine is Rs It
is also available at
down payment followed by five equal monthly installments
of Rs each.
Find the rate of interest under the installment plan.
borrowed a sum of money and returned it in three equal quarterly installments
of Rs 1,40,608. If the rate of interest charged is 16% per annum compounded
quarterly, find the sum borrowed. Also find the total interest charged.
9.The perpendicular from vertex A on the side BC of triangle ABC
intersects BC at Point D such that Prove
10.In the given figure, find the length of DE if
AE=15cm, DB = 4 cm and CD = 9 cm.