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CBSE Board, Class X Mathematics (Standard), Sample Paper - 1, Term 2 - 2021 - 22, , Time: 2 hours Total Marks: 40, General Instructions:, , , , 1. The question paper consists of 14 questions divided into 3 sections A, B, C., 2. All questions are compulsory., 3. Section A comprises of 6 questions of 2 marks each. Internal choice has been, provided in two questions., 4. Section B comprises of 4 questions of 3 marks each. Internal choice has been, provided in one question., 5. Section C comprises of 4 questions of 4 marks each. An internal choice has been, provided in one question. It contains two case study based questions., Section A, Q1 - Q6 are of 2 mark each., 1. Which term of the AP 3, 8, 13, 18, ... is 78?, OR, Find the 20' term from the last term of the AP 3, 8, 13, ......, 253, 2. Find the roots of the following quadratic equation x? — 3x — 10 = 0 by factorisation, 3. The length of a tangent from a point A at distance 5 cm from the centre of the, circle is 4 cm. Find the radius of the circle., 4. Two cubes each of volume 64 cm? are joined end to end. Find the surface area of, the resulting cuboids., 5., , A survey was conducted by a group of students as a part of their environment, awareness programme, in which they collected the following data regarding the, , number of plants in 20 houses in a locality. Find the mean number of plants per, house., , , , Number of, , plants 0-2) 2-4 4-6 6-8 8-10 10-12 | 12-14, , , , Number of, houses 1 2 1 5 6 2 3