PRELIMINARY ASSESSMENT X- Mathematics (0 Max Marks Time Allowed: 3hrs General Instructions: 1. ...
28 views · Published 11 October 2018 · 1:11 · Indexed 28 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW PRELIMINARY ASSESSMENT X- Mathematics (0 Max Marks Time Allowed: 3hrs General Instructions: 1. All questions are compulsory 2. The question paper consists of31 questions divided into four sections A, B, C and D 3. Section A contains 4 questions of 1 mark each. Section B contains 6 questions of 2 marks each. C contains 10 questions of 3 marks each. Section D contains 11 questions of 4 marks each. 4, Use of calculators is not permitted. SECTION A l) Find the common difference in the A P 6, 9, 12, 15,... 2) If a sphere and a cone of height 'h' have same radius and same volume, then find ratio of r' a Find the sum of the roots of y 6y 5 0. f radius of a sphere is 8 cm then find its surface area. SECTION B First term of an A.P is -5 and its last term is 45. If the of terns
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