Q.10. What measure of central tendency is obtained graphically as the x-coordinate of the point of intersection of the two ogives for grouped data?
Ans. Median
SECTION B
Questions number 11 to 15 carry 2 marks each.
Q. 11. Find the zeroes of the quadratic polynomial 4x2 – 4x – 3 and verify the relationbetween the zeroes and its coefficients. 2
Sol.
Q. 12. If A, B and C are interior angles of a triangle ABC, then show that .
Sol.
Q. 13. For what value of p, are the points (– 3, 9), (2, p) and (4, – 5) collinear?
Sol.
| Mathematics 2008 Question Papers Class X | |||||||
| Delhi | Outside Delhi | Compartment Delhi | Compartment Outside Delhi | ||||
 |
All Sets(PDF) | |
Set 1 | |
Set 1 | ||
|
Set 2 | |
Set 2 | ||||
|
Set 3 | |
Set 3 | ||||
