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SNAP Algebra — practice questions — page 4

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 91–120 of 132.

The lowest common multiple of 6, 72 and 120 is:Read the answer and worked solution →For three numbers, the product of the numbers is:Read the answer and worked solution →Knowing the highest common factor of two numbers lets you find their lowest common multiple by:Read the answer and worked solution →If two numbers share no prime factor at all, their highest common factor must be:Read the answer and worked solution →A number like root 2, which cannot be written as a ratio of integers, is described as:Read the answer and worked solution →If a prime p divides the square of a number a, the theorem states that p also divides:Read the answer and worked solution →The two main tools introduced for studying real numbers here are prime factorisation and:Read the answer and worked solution →Catch the prime factorsRead the answer and worked solution →Pop the correct answersRead the answer and worked solution →Run the factor gatesRead the answer and worked solution →Slice the number wordsRead the answer and worked solution →Smallest or greatest powerRead the answer and worked solution →Sort the resultsRead the answer and worked solution →Type the numberRead the answer and worked solution →Number theory bingoRead the answer and worked solution →Two expressions joined by a less-than or greater-than sign form an:Read the answer and worked solution →Statements such as 3 less than 5 and 7 greater than 5 are examples of:Read the answer and worked solution →Statements such as x less than 5 and y greater than 2 are examples of:Read the answer and worked solution →A statement like 3 less than x less than 5 is called a:Read the answer and worked solution →Inequalities using only the strict signs, without an equals part, are called:Read the answer and worked solution →Inequalities that also allow equality are called:Read the answer and worked solution →Adding the same number to both sides of an inequality:Read the answer and worked solution →Multiplying both sides of an inequality by the same positive number:Read the answer and worked solution →Multiplying or dividing both sides by a negative number means the sign of the inequality is:Read the answer and worked solution →Solving 30x less than 200 gives x less than:Read the answer and worked solution →When x must be a natural number, the solutions of 30x less than 200 are:Read the answer and worked solution →How many natural number solutions does 30x less than 200 have?Read the answer and worked solution →When x may be any integer, the solutions of 30x less than 200 include:Read the answer and worked solution →Solving 5x minus 3 less than 3x plus 1 gives:Read the answer and worked solution →Solving 4x plus 3 less than 6x plus 7 gives:Read the answer and worked solution →

Worked practice questions

The lowest common multiple of 6, 72 and 120 is:

  1. 360
  2. 720
  3. 240
  4. 180
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Correct answer: A. 360

1. Take 8 for the twos and 9 for the threes. 2. Multiply by 5 as well. 3. The answer is 360. _Source: syllabus Mathematics, Chapter 1, Real Numbers._

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For three numbers, the product of the numbers is:

  1. Always equal to LCM only
  2. Not equal to HCF times LCM
  3. Always equal to HCF times LCM
  4. Always equal to HCF only
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Correct answer: B. Not equal to HCF times LCM

1. The rule for two numbers does not extend. 2. Check with 6, 72 and 120. 3. The product is not equal to HCF times LCM. _Source: syllabus Mathematics, Chapter 1, Real Numbers._

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Knowing the highest common factor of two numbers lets you find their lowest common multiple by:

  1. Subtracting it from the sum
  2. Multiplying it by the sum
  3. Dividing the product by it
  4. Adding the product to it
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Correct answer: C. Dividing the product by it

1. The product rule links the two. 2. Rearranging it isolates the multiple. 3. You divide the product by it. _Source: syllabus Mathematics, Chapter 1, Real Numbers._

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