Number Systems

Class 9 · Mathematics

94 questions30 easy36 medium28 hard

Sample Questions

Q1.Every natural number is:

  • AAn irrational number
  • BA whole number
  • CA negative integer
  • DNot a real number

Q2.Simplify: 2^(2/3) × 2^(1/3) =

  • A2
  • B4
  • C2^(2/9)
  • D2^(1/3)

Q3.(5²)⁷ equals:

  • A5⁹
  • B5¹⁴
  • C25⁷
  • DBoth (b) and (c)

Q4.The value of (√2)^6 is:

  • A4
  • B8
  • C2√2
  • D16

Q5.The symbol Q for rational numbers comes from the word:

  • AQuantity
  • BQuotient
  • CQuarter
  • DQuadratic

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Decimal ExpansionsIdentities involving Square RootsIntegersIrrational NumbersLaws of ExponentsNatural NumbersNon-terminating Non-recurring DecimalsNon-terminating Recurring DecimalsNumber Line RepresentationOperations on Real NumbersRational NumbersRationalising the DenominatorReal NumbersSquare RootsTerminating DecimalsWhole Numbers

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