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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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SUMMATIVE ASSESSMENT II, 2015, MATHEMATICS, Class X SAMPLE QUESTION PAPER Time allowed: 3 hours JST201502 Maximum Marks: 90 Section A 1. If A (5, -1),B(-3, -2) and C(-1,8) are the vertices of triangle ABC, What will be the length of the median through A 2. From the top of a cliff 20 m high the angle of elevation of a tower is found to be equal to the angle of depression of the foot of the tower. Find the height of the tower 3. If the equation kx2+ 4x+ k=0 has two equal roots, then find the value of K 4. One coin is tossed thrice. what will be the probability of getting neither 3 heads nor 3 tails Section B 5. Which term of the AP : 121, 117, 113, . . ., is its first negative term? 6. The nth term of an A.P., cannot be n2+1. Justify your answer 7. A circle is inscribed in a square of side x cm and another circle is circumscribing the square. Is it true to say that area of the outer circle is two times the area of the inner circle? Give reasons for your answer 8. A card is drawn at random form a well shuffled deck of 52 cards. Find the probability of getting: (i) A king (ii) a king of red suit 9. Find the value of m for which the point with coordinates (3, 5), (m, 6) and (1/2, 15/2) are collinear. 10. In two concentric circles, prove that a chord of a larger circle which is tangent to smaller circle is bisected at the point of contact Visit online for more Papers: www.jsuniltutorial.weebly.com/ Page 1

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