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Mathematics 2010 Question Paper For CBSE Class X Exams

Section A

Question Numbers 1to 10 carry 1 mark each.

1. The HCF of 45 and 105 is . write their LCM.
2. If one zero of the polynomial x² -4x + 1 is 2 + √3, write the other zero.
3. A tangent PQ at a point p of a circle of radius 5 cm meets a line through the center O at a point Q so that OQ = 13 cm. find the length PQ.
4. In figure 1, MN || AB, BC = 7.5 cm, AM = 4cm and MC = 2cm . find the length BN.

5. If 6x = sec Ø and 6/x = thn Ø , find the value of
6. Find the distance between the points, A(2a,6a) and B(2a + √3a , 5a)