If sum of an infinite G.P. `p ,1,1//p ,1//p^2,.... .i s9//2` then value of `p` is a. 3 b. 3/2 c. 3 d. 9/2

Let Aa n dB are events of an experiment and P(A)=1//4, P(AuuB)=1//2, then value of P(B//A^c) is a. 2//3 b. 1//3 c. 5//6 d. 1//2

The 8th term of the G.P. 9, 3, 1, ____.

A sample space consists of 3 sample points with associated probabilities given as 2p ,p^2,4p-1. Then the value of p is a. p=sqrt(11)-3 b. sqrt(10)-3 c. 1/4leple1/2 d. (10xx6^3)7^5

If the roots of the quadratic equation (4p-p^2-5)x^2-(2p-1)x+3p=0 lie on either side of unit, then the number of integer values of p is a. 1 b. 2 c. 3 d. 4

If p(m)=m^(2)-3m+1 , then find the value of p(1) and p(-1) .

If (1-p)(1+3x+9x^2+27 x^3+81 x^4+243 x^5)=1-p^6p!=1 , then the value of p/xi s 1/3 b. 3 c. 1/2 d. 2

If P(AnnB)=1/2,P( barA nn barB )=1/3, P(A)=p , P(B)=2p , then find the value of pdot

There are three coplanar parallel lines. If any p points are taken on each of the lines, the maximum number of triangles with vertices on these points is a. 3p^2(p-1)+1 b. 3p^2(p-1) c. p^2(4p-3) d. none of these

If a ,b ,c are in A.P., the a/(b c),1/c ,1/b will be in a. A.P b. G.P. c. H.P. d. none of these