The probability of getting either 1 or 2 when a die is thrown is
1/4
1/2
1/6
1/3
Nine playing cards are numbered 2 to 10 .A card is selected from them at random. probability that the card will be a multiple of 4 is
1/9
2/9
2/10
1/10
If
p(A)
1-p(A)
p(A)-1
1-(p(A))2
Two unbiased dice are thrown. Find the probability that six may be obtained as product?
6/12
4/12
6/9
A die is rolled .If the outcome is an even number, what is the probability that it is a prime number
3/6
2/3
Two cards are drawn successively with replacement from a well-shuffled pack of 52 cards. The probability of drawing two aces is
1/13
1/13×1/17
1/52×1/51
1/13×1/13
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
If A and B are mutually exclusive events, then p(A∩B)=
p(A).p(B)
0
p(A)+p(B)
None of these
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
1/24
23/24
3/4
A die is thrown twice. The probability that atleast one of the two items comes up with the number 3 is
5/12
11/36
1/12
7/24