Related Questions

Find the probability of selecting a prime number from a set of number 1 to 15 (both inclusive).
A 1/15
B 3/5
C 2/5
D 7/15
A number is selected at random from 40 to 59 inclusive . What is the probability that the number is prime number ?
A 3/11
B 3/10
C 2/11
D 1/5
Certain numbers of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a gril hits a goal is 7/10 whereas the probability than a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25
Certain number of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a girl hits a goal is 7/10 whereas the probability that a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
A 14/50
B 7/50
C 2/5
D 2/25
The sum of the non-prime numbers between 40 and 50, non-inclusive, is ---
A 131
B 176
C 405
D 274
The sum of the non-prime numbers between 40 and 50, non-inclusive, is
A 131
B 176
C 274
D 405
The sum of the non-prime numbers between 40 and 50 , non -inclusive is
A 274
B 176
C 131
D 405`
What is the probability that the product of two integers ( not necessarily different integers ) randomly selected from the numbers 1 through 20, inclusive , is odd ?
A 2/3
B 1/4
C 1/2
D 3/4
What is the probability that product of two integers (not necessarily different integers ) randomly selected from the numbers 1 to 20, inclusive , is odd ?
A 1/3
B 1/4
C 1/2
D 1/5
There are two numbers, 1 number is 12 more than the 2"d number. The average of the two numbers is 19. If 2 is added in both numbers, find the ratio of the numbers.
A 5:9
B 11:9
C 4:9
D 9:5

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