37
47
57
67
Correct answer is A
P(A)=712
P(A∩B)=14=P(A)×P(B) (Independent events)
14÷712=14×127
= 37
A line passes through the origin and the point (114,212). Find the y-coordina...
In △PQR, ¯PQ = 5i - 2j and ¯QR = 4i + 3j. Find \(\...
If √x+√x+1=√2x+1, find the possible values of x....
If X and Y are two independent events such that P(X)=18 and \(P (X ⋃ Y) = ...
Simplify (216)−23×(0.16)−32...
The sum of the first n terms of a linear sequence is Sn=n2+2n. Determine the general t...
Given that −6,−212,...,71 is a linear sequence , calculate the number of terms in th...