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CBSE Board Class X Mathematics Mock Exam Part 3
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CBSE Board Class X Mathematics Mock Exam Part 3
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Question 1 of 20
1. Question
1 pointsThe roots of the equation xΛ23xm(m+3)=0 where m is a constants, are
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Question 2 of 20
2. Question
1 pointsIf the common difference between of an A.P. is 3 then a20a15 is :
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Question 3 of 20
3. Question
1 pointsIf the quadratic equation px2 – 2 √5 px + 15 = 0 has two equal roots then find the value of p.
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Question 4 of 20
4. Question
1 pointsIn the following figure, a tower AB is 20 m high and BC, its shadow on the ground, is
20 √3 m long. Find the Sun’s altitude.Correct
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Question 5 of 20
5. Question
1 pointsIn an AP, if S5 + S7 = 167 and S10 = 235, then find the Second Term of A.P., where Sn denotes the sum of its first n terms
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Question 6 of 20
6. Question
1 pointsThe points A(4, 7), B(p, 3) and C(7, 3) are the vertices of a right triangle, rightangled at
B, Find the values of P.Correct
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Question 7 of 20
7. Question
1 pointsFind the relation between x and y if the points A(x, y), B(5, 7) and C(4, 5) are collinear.
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Question 8 of 20
8. Question
1 pointsThe 14th term of an A.P. is twice its 8th term. If its 6th term is 8, then find the sum of its
first 20 terms.Correct
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Question 9 of 20
9. Question
1 pointsFind the 60th term of the AP 8, 10, 12, ……., if it has a total of 60 terms
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Question 10 of 20
10. Question
1 pointsFind the values of k so that the area of the triangle with vertices (1, 1), (4, 2k) and
(k, 5) is 24 sq. units.Correct
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Question 11 of 20
11. Question
1 pointsIf (x^{2} – y^{2}) = 10 and (x + y) = 2, find x and y.
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Question 12 of 20
12. Question
1 pointsFor what values of k the equation x^{2} + 2kx – 4 = 0 has one real solution?
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Question 13 of 20
13. Question
1 pointsA person 100 meters from the base of a tree, observes that the angle between the ground and the top of the tree is 45 degrees. Estimate the height h of the tree to the nearest tenth of a meter.
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Question 14 of 20
14. Question
1 pointsCorrect
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Question 15 of 20
15. Question
1 pointsFind the sum of first 10 terms of an A.P. whose second term is 2 and seventh term is 20.
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Question 16 of 20
16. Question
1 pointsTwo Side of the right angle triangle is given, determine it’s third side.
AB = (2a1)cm, BC = 2√2a cm AC=?Correct
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Question 17 of 20
17. Question
1 pointsFind the area of a triangle whose vertices are A(3,2), B(11,8) and C(8, 12).
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Question 18 of 20
18. Question
1 pointsFind the distance between two points P(6, 7) and Q(1, 5)?
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Question 19 of 20
19. Question
1 pointsFind the value of x, if the distance between the points (x, 1) and (3, 2) is 5?
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Question 20 of 20
20. Question
1 pointsThe Points (1, 2), (1, 0), (1, 2), (3, 0) form?
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