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Problem Solving MCQ Set 31

problem solving Set 31 contains 6 of total 246 problem solving questions (MCQ) with answers. View the answer of each MCQ by clicking over the Show/Hide Answer or all answers at the bottom of the page. You can use these MCQs of problem solving as a practice for the real exam or entrytest. Interactive Test

MCQ: 181

Question: A man bets on number 16 on a roulette wheel 14 times and losses each time. On the 15th span he does a quick calculation and finds out that the number 12 had appeared twice in the 14 spans and is therefore, unable to decide whether to bet on 16 or 12 in the 15th span. Which will give him the best chance and what are the odds of winning on the bet that he takes? (Roulette has numbers 1 to 36)

  1. 16; 22 : 14
  2. 12; 72 : 1
  3. 12; 7 : 1
  4. Either; 35 : 1

MCQ: 182

Question: Two squares are chosen at random on a chessboard. What is the probability that they have a side in common?

  1. 1 / 18
  2. 64 / 4032
  3. 63 / 64
  4. 1 / 9

MCQ: 183

Question: When two dice are thrown simultaneously, what is the probability that the sum of the two numbers that turn up is less than 11?

  1. 5 / 6
  2. 11 / 12
  3. 1 / 6
  4. 1 / 12

MCQ: 184

Question: When 4 dice are thrown, what is the probability that the same number appears on each of them?

  1. 1/36
  2. 1/18
  3. 1/216
  4. 1/5

MCQ: 185

Question: An experiment succeeds twice as often as it fails. What is the probability that in the next 5 trials there will be four successes?

  1. 0
  2. (2/3)^4
  3. 5*((2/3)^4)*(1/3)
  4. ((2/3)^4)*(1/3)

MCQ: 186

Question: An anti aircraft gun can fire four shots at a time. If the probabilities of the first, second, third and the last shot hitting the enemy aircraft are 0.7, 0.6, 0.5 and 0.4, what is the probability that four shots aimed at an enemy aircraft will bring the aircraft down?

  1. 0.084
  2. 0.916
  3. 0.036
  4. 0.964

All MCQ Answers

Set 28Set 29Set 30Set 31Set 32Set 33Set 34

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

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