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SNAP Algebra — practice questions — page 3

Explore 132 free Algebra questions in SNAP Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Algebra questions and exercises with answers

Showing questions 61–90 of 132.

An event whose probability is 0 is called:Read the answer and worked solution →The probability of getting a number less than 7 in a single throw of a die is:Read the answer and worked solution →For any event E, the value of P(E) always lies between:Read the answer and worked solution →A standard deck has 52 cards divided into how many suits?Read the answer and worked solution →Drawing one card from a well-shuffled deck of 52, the probability it is an ace is:Read the answer and worked solution →Kings, queens and jacks in a deck are together called:Read the answer and worked solution →If the probability of Sangeeta winning a tennis match is 0.62, the probability Reshma wins is:Read the answer and worked solution →Ignoring a leap year, the probability that two friends have different birthdays is:Read the answer and worked solution →Catch the equally likely casesRead the answer and worked solution →Pop the probability wordsRead the answer and worked solution →Run the probability valuesRead the answer and worked solution →Slice the probability wordsRead the answer and worked solution →Impossible or certainRead the answer and worked solution →Sort empirical, theory and cardsRead the answer and worked solution →Type the numberRead the answer and worked solution →Probability bingoRead the answer and worked solution →The largest positive integer that divides both of two numbers is their:Read the answer and worked solution →The algorithm that finds that largest common divisor by repeated division is named after:Read the answer and worked solution →Using that algorithm on 455 and 42, the first step gives 455 = 42 times 10 plus:Read the answer and worked solution →Continuing, 42 = 35 times 1 plus 7, then 35 = 7 times 5 plus 0. The largest common divisor is:Read the answer and worked solution →The theorem saying every composite number can be written as a product of primes is the:Read the answer and worked solution →Writing 20 as 2 times 2 times 5 is an example of:Read the answer and worked solution →The highest common factor of 6 and 20 is:Read the answer and worked solution →The lowest common multiple of 6 and 20 is:Read the answer and worked solution →The highest common factor is found by taking, for each common prime, the:Read the answer and worked solution →The lowest common multiple is found by taking, for each prime involved, the:Read the answer and worked solution →For any two positive integers, the product of their highest common factor and lowest common multiple equals:Read the answer and worked solution →The prime factorisation of 96 gives a highest common factor with 404 of:Read the answer and worked solution →Using that result, the lowest common multiple of 96 and 404 is:Read the answer and worked solution →The highest common factor of 6, 72 and 120 is:Read the answer and worked solution →

Worked practice questions

An event whose probability is 0 is called:

  1. An impossible event
  2. A certain event now
  3. An elementary event
  4. A complementary event
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Correct answer: A. An impossible event

1. It can never occur. 2. Getting 8 on a die is an example. 3. That is an impossible event. _Source: syllabus Mathematics, Chapter 15, Probability._

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The probability of getting a number less than 7 in a single throw of a die is:

  1. 7
  2. 1
  3. 0
  4. 6
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Correct answer: B. 1

1. Every face is below 7. 2. All six outcomes are favourable. 3. So the probability is 1. _Source: syllabus Mathematics, Chapter 15, Probability._

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For any event E, the value of P(E) always lies between:

  1. 0 and 10
  2. 9 and 10
  3. 0 and 1
  4. 1 and 6
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Correct answer: C. 0 and 1

1. Favourable outcomes cannot exceed total outcomes. 2. The smallest value is 0. 3. So P(E) lies between 0 and 1. _Source: syllabus Mathematics, Chapter 15, Probability._

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