Related Questions

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
The probability of completion of any activity within its expected time is
A 50 %
B 84.1 %
C 99.9 %
D 100 %
If N is to be scheduled on Thursday, the earliest day on which R can be scheduled is:
A Monday
B Tuesday
C Wednesday
D Friday
A can complete a project in 20 days and B can complete the same project in 30 days. A and B start working on the project together and A quits 10 days before the project is expected to be completed. How many days in total will the project take to complete ?
A 16 days
B 18 days
C 23 days
D 27 days
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
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
There are five statements given below: i. karim earns more than Rahim but less than Raihan ii. Tarique earns more than Farid iii. Rahim earns more than Rariq iv. Raihan and Rarique earn equal amounts v. Farid earns the least amount which of the above statements prove that Tarique earns more money than Rafiq?
A I, II and III
B II, III and IV
C III, IV and V
D I, III and IV
In a four-day period Monday through Thursday each of the following temporary office workers worked only one day, each a different day. Ms. Johnson was scheduled to work on Monday, but she traded with Mr. Carter, who was originally scheduled to work on Wednesday. Ms. Falk traded with Mr. Kirk, who was originally scheduled to work on Thursday. After all the switching was done, who worked on Tuesday?
A Mr. Carter
B Ms. Falk
C Ms. Johnson
D Mr. Kirk
The probability that a student will graduate with honors and get a good job is 0.09 whereas the probability that a student will graduate with honors is 0.1. What is the probability that a student will get a good job if she graduates with honors?
A 90%
B 9%
C 0.9%
D 18%
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
A pq + (1 - p) (1 - q)
B (1 - q)p
C (1 - p)q
D pq

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