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Class 10 CBSE 10th Board 2017 : Mathematics

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Ganesh Cp
Jnanadeepa Senior Secondary School, Shimoga

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962E1W0 Time allowed : 3 hours General Instructions : (i) (ii) (iii) (iv) uto ria l SUMMATIVE ASSESSMENT II MATHEMATICS Class X Maximum Marks : 90 All questions are compulsory. The question paper consists of 31questions divided into four sections A, B, C and D. Section-A comprises of 4 questions of 1 mark each, Section-B comprises of 6 questions of 2 marks each, Section-C comprises of 10 questions of 3 marks each and Section-D comprises of 11 questions of 4 marks each. There is no overall choice. Use of calculator is not permitted. SECTION-A Question numbers 1 to 4 carry one mark each. What is the sum of first 'n' natural numbers? 2 The tops of two poles of height 16 m and 10 m are connected by a wire. If the wire makes an 1 angle of 30 with the horizontal, find the length of the wire. 3 What is the sum of probabilities of all the elementary events of an experiment? 4 Find co-ordinates of any one point lying on the perpendicular bisector of line segment joining 1 1 11 the points 2 , 5 and , 3 2 2 1 1 un il T 1 JS SECTION-B Question numbers 5 to 10 carry two marks each. 5 Ram Prasad saved ` 10 in the first week of a year and then increased his weekly savings by ` 2.75. If in 2 the nth week, his savings become ` 59.50, find n. Page 1 of 5

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