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DSSSB TGT Probability — practice questions — page 2

Explore 69 free Probability questions in DSSSB TGT Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Probability questions and exercises with answers

Showing questions 31–60 of 69.

A card is drawn from a deck. What is the probability of a red face card?Read the answer and worked solution →Two dice are rolled. What is the probability of getting a sum of 8?Read the answer and worked solution →A bag has 4 red, 5 green and 6 blue balls. A ball is drawn at random. P(green)?Read the answer and worked solution →Two coins are tossed. What is the probability of getting exactly one head?Read the answer and worked solution →A card is drawn from a deck. What is the probability that it is neither a king nor a queen?Read the answer and worked solution →A bag has 4 red and 6 blue balls. One ball is drawn at random. What is the probability that it is NOT red?Read the answer and worked solution →A box has cards numbered 1 to 20. One card is drawn. What is the probability that the number is a perfect square?Read the answer and worked solution →A die is rolled. What is the probability of getting a prime number?Read the answer and worked solution →A card is drawn from a deck. What is the probability of getting a heart or a king?Read the answer and worked solution →Two dice are rolled. What is the probability that the product of the numbers is 12?Read the answer and worked solution →A box has 100 bulbs of which 4 are defective. One bulb is chosen at random. What is the probability that it is not defective?Read the answer and worked solution →Complete the definition of conditional probabilityRead the answer and worked solution →True or false: conditional probabilityRead the answer and worked solution →Independent or mutually exclusive?Read the answer and worked solution →Match each rule to its nameRead the answer and worked solution →IndependenceRead the answer and worked solution →Order the steps for a Bayes' theorem questionRead the answer and worked solution →Complete the conditions for a partitionRead the answer and worked solution →True or false: independence versus exclusivityRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Tap every statement that follows from independenceRead the answer and worked solution →The multiplication ruleRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Complete the theorem of total probabilityRead the answer and worked solution →Which theorem answers which question?Read the answer and worked solution →True or false: total probability and BayesRead the answer and worked solution →Match each historical figure to their contributionRead the answer and worked solution →The Historical NoteRead the answer and worked solution →

Worked practice questions

A card is drawn from a deck. What is the probability of a red face card?

  1. 1/13
  2. 6/52
  3. 6/13
  4. 3/26
Show answer and solution

Correct answer: D. 3/26

Red face cards: 6 (J, Q, K of hearts and diamonds). P = 6/52 = 3/26.

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Two dice are rolled. What is the probability of getting a sum of 8?

  1. 4/36
  2. 5/36
  3. 6/36
  4. 8/36
Show answer and solution

Correct answer: B. 5/36

Pairs summing to 8: (2,6), (3,5), (4,4), (5,3), (6,2) — 5 outcomes. P = 5/36.

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A bag has 4 red, 5 green and 6 blue balls. A ball is drawn at random. P(green)?

  1. 1/3
  2. 4/15
  3. 6/15
  4. 1/4
Show answer and solution

Correct answer: A. 1/3

Total = 15. P(green) = 5/15 = 1/3.

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