How many MCQ questions are available for Number Systems?

There are 94 MCQ questions available for Number Systems (Class 9 Mathematics) — 30 easy, 36 medium, and 28 hard.

Number Systems

Q: What topics are covered in Number Systems?

Key concepts covered: Decimal Expansions, Identities involving Square Roots, Integers, Irrational Numbers, Laws of Exponents, Natural Numbers, Non-terminating Non-recurring Decimals, Non-terminating Recurring Decimals, Number Line Representation, Operations on Real Numbers, Rational Numbers, Rationalising the Denominator, Real Numbers, Square Roots, Terminating Decimals.

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.The number 2.13131313... (where 13 repeats) expressed as a fraction is:

A213/99
B211/99
C213/100
D2131/999

Q3.Which of the following is a rational number?

A√2
Bπ
C3/7
D√3

Q4.Rationalise the denominator of 1/(√5 + √2):

A(√5 + √2)/3
B(√5 - √2)/3
C(√5 - √2)/7
D(√5 + √2)/7

Q5.A number whose decimal expansion is non-terminating non-recurring is:

ARational
BIrrational
CAn integer
DA whole number

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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