PS_CH-1_T1_QB

What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?

• 1/21

• 4/7

• 2/7

• 5/7

An event in the probability that will never be happened is called as -

• Unsure event

• Sure event

• Possible event

• Impossible event

What will be the probability of getting odd numbers if a dice is thrown?

• 1/2

• 2

• 4/2

• 5/2

What is the probability of getting a sum as 3 if two dice are thrown?

• 2/18

• 1/18

• 4

• 1/36

What is the probability of getting the sum as a prime number if two dice are thrown?

• 5/24

• 5/12

• 5/30

• 1/4

If two dice are thrown together, what is the probability of getting an even number on one dice and an odd number on the other dice?

• 1/4

• 3/5

• 3/4

• 1/2

When two coins are tossed simultaneously, what are the chances of getting at least one tail?

• 3/4

• 1/5

• 4/5

• 1/4

What is the possibility of having 53 Thursdays in a non-leap year?

• 6/7

• 1/7

• 1/365

• 53/365

Three unbiased coins are tossed. What is the probability of getting at least 2 tails?

• 0.75

• 0.5

• 0.25

• 0.2

Two friends A and B apply for a job in the same company. The chances of A getting selected is 2/5 and that of B is 4/7. What is the probability that both of them get selected?

• 8/35

• 34/35

• 27/35

• None of these