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WorksheetsNumber System
Total questions: 30
Worksheet time: 15mins
Which of the following is an irrational number?
√4
√9
√2
0.25
Decimal expansion of 1/3 is:
Terminating
Non-terminating repeating
Non-terminating non-repeating
None
π is:
Rational
Irrational
Whole
Natural
Which of the following is a terminating decimal?
1/3
2/7
3/8
1/11
The smallest whole number is:
1
0
–1
None
Which of the following has a non-terminating non-repeating decimal expansion?
5/8
√2
1/7
9/20
Every integer is a:
Irrational number
Rational number
Natural number
None
Which of the following is not a rational number?
–7/3
0.25
√3
4
1/7 in decimal form is:
Terminating
Non-terminating repeating
Non-terminating non-repeating
None
Sum of a rational and an irrational number is:
Rational
Irrational
Both
None
Every natural number is also a:
Integer
Irrational number
Whole number
Real number
Which is not an integer?
–2
0
3.5
7
√25 is:
Irrational
Rational
Non-real
Prime
Which of the following numbers is not a real number?
√–2
√2
π
1/5
Decimal expansion of 2/5 is:
0.4
0.444…
0.25
None
The set of whole numbers is denoted by:
N
W
Z
Q
Which is a non-terminating repeating decimal?
0.121212…
0.123456… (no pattern)
0.75
5.5
(–7)/21 is equal to:
Rational number
Irrational number
Natural number
Whole number
Every real number is either:
Rational only
Irrational only
Rational or Irrational
None
Which of these is an integer but not a whole number?
–4
0
3
8
22/7 is:
Irrational
Rational
Whole
Prime
Which one is non-terminating non-repeating?
√11
1/2
7/8
9/10
0 is a:
Natural number
Whole number
Prime number
Irrational number
Which of the following is true?
√2 + √3 = Rational
√2 + √3 = Irrational
√2 + √2 = Irrational
None
1.101001000100001… is:
Terminating decimal
Non-terminating repeating
Non-terminating non-repeating
None
The product of two rational numbers is always:
Rational
Irrational
Whole
Natural
Which is not a natural number?
5
0
8
100
The square root of a perfect square is always:
Rational
Irrational
Both
None
Which is not a prime number?
2
3
4
5
Which one of these lies between 2 and 3?
√5
√8
√10
√12
