logo

CuriousTab

CuriousTab

Probability problems


  • 1. One lady has 2 children, one of her child is boy, what is the probability of having both are boys ?

  • Options
  • A. 1/3
  • B. 1/2
  • C. 2/3
  • D. 2/5
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, Bank Clerk, Bank PO

  • Discuss
  • 2. If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is ?

  • Options
  • A. 1
  • B. 1/2
  • C. 0
  • D. 3/5
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO

  • Discuss
  • 3. In a party there are 5 couples. Out of them 5 people are chosen at random. Find the probability that there are at the least two couples ?

  • Options
  • A. 6/7
  • B. 19/21
  • C. 7/31
  • D. 5/21
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Bank Clerk, Bank PO

  • Discuss
  • 4. In a simultaneous throw of two dice, what is the probability of getting a doublet ?

  • Options
  • A. 1/6
  • B. 1/3
  • C. 4/7
  • D. 4/5
  • Discuss
  • 5. A group of five persons is formed from five boys and four girls. Find the probability that there are at least two girls in the group?

  • Options
  • A. 110/129
  • B. 5/6
  • C. 121/126
  • D. 3/7
  • Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO

  • Discuss
  • 6. Two dice are rolled simultaneously. Find the probability of getting a total of 9.

  • Options
  • A. 1/3
  • B. 1/9
  • C. 8/9
  • D. 9/10
  • Discuss
  • 7. Four dice are thrown simultaneously. Find the probability that two of them show the same face and remaining two show the different faces.

  • Options
  • A. 4/9
  • B. 5/9
  • C. 11/18
  • D. 7/9
  • Discuss
  • 8. A box contains 5 detective and 15 non-detective bulbs. Two bulbs are chosen at random. Find the probability that both the bulbs are non-defective.

  • Options
  • A. 5/19
  • B. 3/20
  • C. 21/38
  • D. None of these
  • Discuss
  • 9. The letters of the word CASTIGATION is arranged in different ways randomly. What is the chance that vowels occupy the even places ?

  • Options
  • A. 0.04
  • B. 0.043
  • C. 0.047
  • D. 0.05
  • Also asked in: GRE

  • Discuss
  • 10. In a throw of a coin, find the probability of getting a head.

  • Options
  • A. 1
  • B. 1/2
  • C. 1/4
  • D. 0.1
  • Discuss

First 26 27 28 ... 29 .. 30 31 Last