Two cards are drawn one after the other with replacement ...
Two cards are drawn one after the other with replacement from a well-shuffled ordinary deck of 52 cards containing four Aces. Find the probability that they are both Aces
1/221
1/169
1/52
1/26
1/13
Correct answer is B
1st card prob = 4/52 2nd card prob = 4/52
prob.both are aces = (4/52) x (4/52) = 1/169
The currency used in a country is called 'Matimalik'(M) and is of base seven. A lady in that...
Find the length of a chord 3cm from the centre of a circle of radius 5cm ...
Factorize 9(x + y)2 - 4(x - y)2...
If M(4, q) is the mid-point of the line joining L(p, -2) and N(q, p). Find the values of p and q ...
Let '*' and '^' be two binary operations such that a * b = a2b and a ^ b = 2a +...