Probability
Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and other is a heart, is :
1) 3 / 20
2) 29 / 34
3) 47 / 100
4) 13 / 102
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 4 Solution : -. |
Probability
The king, queen and jack of hearts are removed from a deck of 52 playing cards and then wellshuffled. One card is selected from the remaining cards. Then the probability of getting a king is
1) 1 / 49
2) 2 / 49
3) 3 / 49
4) 1
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 3 Solution : -. |
Probability
A die is thrown twice. The probability of the sum being odd, is
1) 1 / 2
2) 1 / 3
3) 1 / 4
4) 1 / 6
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 1 Solution : -. |
Probability
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
1) 1 / 2
2) 2 / 5
3) 8/ 15
4) 9 / 20
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 4 Solution : -. |
Probability
A die is thrown twice. The probability that 5 will not come up either of the time is :
(1) 35/36
(2) 25/36
(3) 1 / 36
(4) 11/36
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 2 Solution : -. |
Probability
Probability that a non leap year should have 53 Mondays, will be
1) 2 / 7
2) 3 / 7
3) 1 / 7
4) 5 / 7
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 3 Solution : -. |
Probability
There are 30 cards of the same size in a bag on which natural numbers 1 to 30 are written. One card is taken out of the bag at random. Then the probability that the number on the selected card is not divisible by 3 is
1) 1 / 3
2) 3 / 4
3) 2 / 3
4) 1 / 4
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 3 Solution : -. |
Probability
In a class, there are 15 boys and 10 girls. Three students are selected at random. The probability that 1 girl and 2 boys are selected, is:
1) 21 / 46
2) 25 / 117
3) 1 / 50
4) 3 / 25
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 1 Solution : -. |
Probability
In a single throw of three dice, the probability of getting a total of 17 or 18 is
1) 53/54
2) 51/54
3) 1/54
4) 0
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 3 Solution : -. |
Probability
Box A contains 30% first grade articles. Box B contains 40% first grade articles. One article is draw from each box. Then the probability that both articles drawn are first grade is
1) 1 / 25
2) 3 / 25
3) 7 / 25
4) 9 / 25
A. | Option 1 |
B. | Option 2 |
C. | Option 3 |
D. | Option 4 |
Option: 2 Solution : -. |