What is the probability of getting a head while tossing a coin
1/2
1
2
0
Two unbiased dice are thrown. Find the probability that six may be obtained as product
6/12
4/12
6/9
1/9
If p(A?B)=1/4 ,p(A'?B')=1/5 and p(A)=p(B)=p then p=
1/20
21/40
11/40
none
In a non-leap year the probability of getting 53 Sundays or 53 Tuesdays or 53 Thursdays is
1/7
2/7
3/7
4/7
A problem in mathematics is given to 3 students whose chances of solving individually are 1/2,1/3 and 1/4 .
The probability that the problem will be solved atleast by one is
1/4
1/24
23/24
3/4
If A and B are mutually exclusive events, then p(A∩B)=
p(A).p(B)
p(A)+p(B)
None of these
If two coins are tossed once. What is the probability of getting atleast one head?
2/4
The probability of getting either 1 or 2 when a die is thrown is
1/6
1/3
