Please answer question 10. Please dont send link coordinates of P?
4. Solve the equation x + 4 10 and state Euclid's axiom used.
5. In a cricket match, a batsman hits a sixer 8 times out of 32 balls played. Find the probability that
sixer is not hit in a ball.
6. If a circle is divided into eight equal parts, find the angle subtended by each arc at the centre.
SECTION-B
7. = 27x3 —641s + + bx2y, then find the value ofa + b.
8. Express the following equation as a linear equation in two variables in the standard form an
indicate the values of a, b and c.
9. Ifthe point (2k — 3, k + 2) lies on the graph of equation 2x + 3' + 15 = 0, find the value of k.
10. Consider two postulates given below:
(t) Given any two distinct points R and S, there exists a third point T which is in between
and S.
(ii) There exist at least three points which are not in the same straight line.
Now, answer the following questions:
(a) Do these postulates contain any undefined terms?
(b) Do they follow from Euclid's postulates? Explain.
11. The floor ofa rectangular hall has a perimeter 150 m. If the cost of painting the four walls at
rate of? 10 per m2 is 9000, find the height of the wall.
12. In a data, 14 numbers are arranged in ascending order. Ifthe 9th entry is increased by 5, what w
be the corresponding effect on the median?
SECTION-C
13. Represent on the number line.
14. Jf2v + 3' = 12 and 1)' = 6, find the value of8x3 + 2713.
