Q. 1

In an essay competition the odds against competitors A, B, C and D are 2:1, 3:1, 4:1 and 5:1 respectively. Find the probability that one of them wins the competition.

  • A. 11/120
  • B. 114/120
  • C. 127/150
  • D. 2/17
  • E. 135/157
  • Answer: C

Q. 2

A box contains 6 red, 4 white and 5 black balls. A person draws 4 balls at random. Find the probability that among the four balls, there is at least one of each colour.

  • A. 31/91
  • B. 15/91
  • C. 48/91
  • D. 24/91
  • E. 12/91
  • Answer: C

Q. 3

In a town of 3000 people 600 are over 50 years, and 1000 are female. It is known that 30% of the females are over 50 years. What is the probability that a person chosen at random is either a female or over 50 years?

  • A. 11:13
  • B. 13:17
  • C. 2:3
  • D. 9:17
  • E. 13:9
  • Answer: B

Q. 4

The probability that Amit will qualify in an exam is 0.05. The probability that Amita will qualify is 0.10. The probability that both will qualify is 0.02. Find the percent chances of both failing to qualify.

  • A. 50%
  • B. 25.5%
  • C. 37%
  • D. 53%
  • E. 87%
  • Answer: E

Q. 5

Find the probability that a leap year will contain 53 Tuesdays.

  • A. 3/14
  • B. 2/7
  • C. 1/12
  • D. 1/4
  • E. 1/7
  • Answer: B

Q. 6

Find the probability that a leap will contain either 53 Tuesdays or 53 Wednesdays

  • A. 1/5
  • B. 2/5
  • C. 2/3
  • D. 3/7
  • E. 1/2
  • Answer: D

Q. 7

Find the probability that a leap will contain 53 Tuesdays and 53 Wednesdays.

  • A. 3/7
  • B. 1/7
  • C. 1/3
  • D. 2/7
  • E. 1/5
  • Answer: B

Q. 8

Four cards are drawn from a pack of cards. Find the probability of drawing one card from each suit.

  • A. 4/20825
  • B. 2197/20825
  • C. 17160/20825
  • D. 17160/6497400
  • E. 2197/6497400
  • Answer: B

Q. 9

Four persons are chosen at random from a group of 5 men, 3 women and 4 children. Find the probability of selecting 2 men, 2 woman and 2 children.

  • A. 1/5
  • B. 2/5
  • C. 4/11
  • D. 5/13
  • E. 1/25
  • Answer: C

Q. 10

Find the odds in favour that when a number is chosen randomly from 1 to 200 then it is an even number and not a multiple of 15.

  • A. 12:17
  • B. 1:10
  • C. 5:11
  • D. 43:57
  • E. 47:53
  • Answer: E

Q. 11

The odds that Amit speaks the truth are 1:2 and the odds that Bunty speaks the truth are 2:3. What is the probability that exactly one of Amit and Bunty is telling the truth?

  • A. 3/5
  • B. 4/15
  • C. 7/15
  • D. 4/7
  • E. 3/7
  • Answer: C

Q. 12

Meena has to eat only one fruit out of three. The probability that she eats a banana is 3/2 times the probability that she eats an apple. The probability that she eats a guava is half the probability that she eats a banana. What is her probability of having an apple?

  • A. 1/4
  • B. 4/13
  • C. 1/6
  • D. 4/7
  • E. 11/36
  • Answer: B

Q. 13

Four members are to be chosen from a group of 3 women and 4 children. Find the probability of selecting exactly 3 children.

  • A. 3/50
  • B. 12/25
  • C. 1/5
  • D. 12/35
  • E. 1/7
  • Answer: D

Q. 14

The probability of picking an apple from a basket is 0.25 and that of picking a rotten fruit is 0.50. The probability of picking a rotten apple is 0.14. Find the probability that neither an apple is picked nor a rotten fruit is picked.

  • A. 0.75
  • B. 0.39
  • C. 0.25
  • D. 0.50
  • E. 0.61
  • Answer: B

Q. 15

There are five shirts of different colours and five pants of the same five colours. The shirts have to be matched with the pants of same colours. Find the probability that all the five shirts and pants are matched correctly.

  • A. 1/3125
  • B. 3124/3125
  • C. 119/120
  • D. 1/120
  • E. 1/5
  • Answer: D

Score: 0/10



STAY IN THE LOOP

Subscribe to our free newsletter.

Don’t have an account yet? Get started with a 12-day free trial

Related Posts

View all
  • Q. 1 Which sentence mentions a leadership practice? It is impossible to know what direction to take, and to know when you have reached your goals without a plan. You have to decide where you are now in your life, and where you want to be. This is what leaders do for their team; help […]

    Continue reading
  • Q. 1 Which sentence outweighs ‘how’ over ‘what’? Package the information with vocal variety and pitch, active body language and style to make it interesting. Believe in your message and let them know how much you believe in it. Passion is captivating, contagious and more convincing than logic. Whether your presentation is “perfect” or not […]

    Continue reading
  • Q. 1 In which sentence is discipline promoted? Families can have time reserved for reading, thus even if the child is reluctant he knows that this time is reserved for reading, irrespective of what the reading material is. It is very commonly heard about daily allowance for the children but book allowance is something that […]

    Continue reading
  • Q. 1 In which sentence does the author mean to lay a foundation? Children whose parents indulge in reading also happen to pick up this quality systematically, parents in this case acting as model readers. Reading aloud to the children or perhaps making room for your child’s favorite books, can bring out a feeling of […]

    Continue reading