If (a, b) is the mid-point of the line segment joining the points A(10, –6) and B(k, 4) and a – 2b = 18, the value of k is

The value of k for which the points A(0, 1), B(2, k) and C(4, –5) are collinear is

The value of p for which (2p + 1), 10 and (5p + 5) are three consecutive terms of an AP is

A . –1

B . –2

C . 41

D . 2

OR

The number of terms of an AP 5, 9, 18, … 185 is

A . 31 B . 51

C . 41 D . 40

In fig. 1, the graph of the polynomial p(x) is given. The number of zeroes of the polynomial is

In fig. 2, PA and PB are tangents to the circle with centre O such that ∠APB = 50°, then the measure of ∠OAB is______.

OR

In Q. Fig. 3, PQ is a chord of a circle and PT is tangent at P such ∠QPT = 60°, then the measure of ∠PRQ is____.