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SSC CHSL Square Roots — practice questions — page 2

Explore 54 free Square Roots questions in SSC CHSL Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Square Roots questions and exercises with answers

Showing questions 31–54 of 54.

How many non-square numbers lie between 7 squared and 8 squared?Read the answer and worked solution →The sum of the first 6 odd numbers, 1+3+5+7+9+11, equals:Read the answer and worked solution →25 can be written as 1+3+5+7+9. This shows 25 is a:Read the answer and worked solution →Using 23 = 20 + 3, the square of 23 is:Read the answer and worked solution →Using 42 = 40 + 2, the square of 42 is:Read the answer and worked solution →3, 4 and 5 satisfy 9 + 16 = 25. Such a set is called a:Read the answer and worked solution →Which set is a Pythagorean triplet?Read the answer and worked solution →The Pythagorean triplet with 8 as its smallest member is:Read the answer and worked solution →Finding a number whose square is known is called finding the:Read the answer and worked solution →A perfect square has two integral square roots; the root symbol denotes only the:Read the answer and worked solution →Subtracting 1, 3, 5, ... from 81 reaches 0 at the 9th step. So the square root of 81 is:Read the answer and worked solution →256 = 2x2x2x2x2x2x2x2. Pairing the factors, its square root is:Read the answer and worked solution →48 = 2x2x2x2x3 has one unpaired 3. The smallest number to multiply 48 by to get a perfect square is:Read the answer and worked solution →The square root of 6400 is:Read the answer and worked solution →90 = 2 x 3 x 3 x 5. Since 2 and 5 are unpaired, 90 is:Read the answer and worked solution →A right triangle has hypotenuse 5 cm and one side 3 cm. The third side squared is:Read the answer and worked solution →Catch the perfect squaresRead the answer and worked solution →Pop the square endingsRead the answer and worked solution →Run the square laneRead the answer and worked solution →Slice the square wordsRead the answer and worked solution →Square or notRead the answer and worked solution →Triplet, square or rootRead the answer and worked solution →Type the numberRead the answer and worked solution →Square roots bingoRead the answer and worked solution →

Worked practice questions

How many non-square numbers lie between 7 squared and 8 squared?

  1. 14
  2. 12
  3. 15
  4. 16
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Correct answer: A. 14

1. Between n squared and (n+1) squared there are 2n numbers. 2. Here n is 7. 3. So 2 times 7 gives 14. _Source: syllabus Mathematics, Chapter 6, Squares and Square Roots._

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The sum of the first 6 odd numbers, 1+3+5+7+9+11, equals:

  1. 42
  2. 36
  3. 21
  4. 30
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Correct answer: B. 36

1. The sum of the first n odd numbers is n squared. 2. Here n is 6. 3. 6 squared is 36. _Source: syllabus Mathematics, Chapter 6, Squares and Square Roots._

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25 can be written as 1+3+5+7+9. This shows 25 is a:

  1. Perfect cube
  2. Triangular number
  3. Perfect square
  4. Prime number
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Correct answer: C. Perfect square

1. A square is the sum of successive odd numbers from 1. 2. Five odd numbers add to 25. 3. So 25 is a perfect square, 5 squared. _Source: syllabus Mathematics, Chapter 6, Squares and Square Roots._

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More Quantitative Aptitude topics

MensurationMultiplicationNumber PropertiesSquares And RootsProfit and LossRatio and ProportionNumber SystemProfit Loss