`p=3+{1}/p value of {p}/{p^2+p-1}=? (a)7/4 (b)5/4 (c)3/4 (d)1/4`

If the distance between the points (4,\ p) and (1,\ 0) is 5, then p= (a) +-4 (b) 4 (c) -4 (d) 0

A sample space consists of 3 sample points with associated probabilities given as 2p ,p^2,4p-1. Then the value of p is p= a. sqrt(11)-3 b. sqrt(10)-3 c. 1/4 < p <1/2 d.none

In Fig. 4.246, if P B C F and D P E F , then (A D)/(D E)= (FIGURE) 3/4 (b) 1/3 (c) 1/4 (d) 2/3

If matrix A = [{:(2,-2),(-2,2):}] , and A^2 = p A , then write the value of p . a) 1 b) 2 c) 3 d) 4

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 2//3 b. 1//3 c. 5//6 d. 1//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 2//3 b. 1//3 c. 5//6 d. 1//2

If a ,b and c are in A.P. and b-a ,c-b and a are in G.P., then a : b : c is (a). 1:2:3 (b). 1:3:5 (c). 2:3:4 (d). 1:2:4

The mean of 1,3,4,5,7,4 is mdot The number 3,2,2,4,3,3,p have mean m-1 and median qdot Then, p+q= 4 (b) 5 (c) 6 (d) 7

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

A random variable has the following probability distribution: X=x_i :\ \ 0 \ \ 1 \ \ 2 \ \ 3 \ \ 4 \ \ 5 \ \ 6 \ \ 7 P(X=x_i):0 \ \ 2p \ \ 2 p\ \ 3p\ \ p^2\ \ 2p^2 \ \ 7p^2 \ \ 2p The value of p is a. 1/10 b. -1 c. -1/10 d. 1/5