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IBPS RRB Office Assistant Squares And Roots — practice questions — page 2

Explore 44 free Squares And Roots questions in IBPS RRB Office Assistant Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

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Squares And Roots questions and exercises with answers

Showing questions 31–44 of 44.

Three of these are wrong. Find the one that holds.Read the answer and worked solution →Flip and pair: property with its equationRead the answer and worked solution →Complete distributivityRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Additive or multiplicative?Read the answer and worked solution →True or false: reading the propertiesRead the answer and worked solution →Naming the propertyRead the answer and worked solution →Tap every statement the chapter actually establishesRead the answer and worked solution →Assertion and reason: densityRead the answer and worked solution →Order the reasoning: why there is no next rationalRead the answer and worked solution →Which operation keeps rationals closed?Read the answer and worked solution →Spot the odd oneRead the answer and worked solution →Complete the density statementRead the answer and worked solution →Closure in practiceRead the answer and worked solution →

Worked practice questions

Three of these are wrong. Find the one that holds.

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Questions
  1. Question
    Three of these statements about identities are false.
    Choices
    1. Item
      0 is the additive identity
      Correct
      Yes
    2. Explanation
      Adding 1 changes the number.
      Item
      1 is the additive identity
    3. Explanation
      Multiplying by 0 gives 0, not the original.
      Item
      0 is the multiplicative identity
    4. Explanation
      It is 1, which leaves any number unchanged.
      Item
      There is no multiplicative identity
Each trap confuses two of the named properties. Source: syllabus Maths, Ch 1 Rational Numbers.

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Flip and pair: property with its equation

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Matching pairs
  1. A
    Commutative
    B
    a + b = b + a
  2. A
    Associative
    B
    (a + b) + c = a + (b + c)
  3. A
    Distributive
    B
    a(b + c) = ab + ac
  4. A
    Additive identity
    B
    0
  5. A
    Multiplicative identity
    B
    1
The property names matched to their forms. Source: syllabus Maths, Ch 1 Rational Numbers.

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Complete distributivity

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Missing parts
  1. Answer
    +
    Choices
    1. +
    2. −
    3. ×
  2. Answer
    −
    Choices
    1. −
    2. +
    3. ÷
Complete the statement
For all rational numbers, a(b + c) equals ab {0} ac, and a(b − c) equals ab {1} ac.
Multiplication spreads across both a sum and a difference. Source: syllabus Maths, Ch 1 Rational Numbers.

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More Quantitative Aptitude topics

Square RootsSimple InterestMensurationPercentagesShortcutsSimple & Compound InterestMultiplicationNumber Properties