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Worksheet: Elements of a Set

Q1:

Use or to fill in the gap:

  • A
  • B

Q2:

Use or to fill in the gap:

  • A
  • B

Q3:

Does 368 belong to the set { 3 , 6 , 8 } ?

  • ANo
  • BYes

Q4:

Given that 𝑥 belongs to the set of odd numbers, and 𝑥 { 1 6 , 8 , 1 2 , 1 7 } , find 𝑥 .

  • A 𝑥 = 8
  • B 𝑥 = 1 6
  • C 𝑥 = 1 2
  • D 𝑥 = 1 7
  • E 𝑥 = 1 5

Q5:

Given that 𝑥 belongs to the set of odd numbers, and 𝑥 { 1 4 , 6 , 1 6 , 1 3 } , find 𝑥 .

  • A 𝑥 = 6
  • B 𝑥 = 1 4
  • C 𝑥 = 1 6
  • D 𝑥 = 1 3
  • E 𝑥 = 1

Q6:

Use or to fill in the gap:

  • A
  • B

Q7:

Use or to fill in the gap:

  • A
  • B

Q8:

Use or to fill in the gap:

  • A
  • B

Q9:

Use or to fill in the gap:

  • A
  • B

Q10:

Use or to fill in the gap:

  • A
  • B

Q11:

Use or to fill in the blank: e {Daniel}.

  • A
  • B

Q12:

Use or to fill in the gap: 6 { 3 6 , 1 6 }

  • A
  • B

Q13:

Use or to fill in the gap:

  • A
  • B

Q14:

Use or to fill in the gap:

  • A
  • B

Q15:

Use or to fill in the blank: o {David}.

  • A
  • B

Q16:

Use or to fill in the blank: h {Ronaldo}.

  • A
  • B

Q17:

If 𝑋 is the set of digits of the number 64 764, list the elements of 𝑋 .

  • A { 6 , 7 }
  • B { 6 , 4 }
  • C { 4 , 7 }
  • D { 6 , 4 , 7 }

Q18:

Use or to fill in the gap:

  • A
  • B

Q19:

Does 2 belong to the set of all prime numbers?

  • Ayes
  • Bno

Q20:

The set { 3 , 𝑥 , 2 } represents the digits of the number 2 383. What is 𝑥 ?

  • A 𝑥 = 3
  • B 𝑥 = 2
  • C 𝑥 = 3 8
  • D 𝑥 = 8
  • E 𝑥 = 8 3

Q21:

Does 100 belong to the set of multiples of 10?

  • Ayes
  • Bno

Q22:

Use or to fill in the gap:

  • A
  • B

Q23:

Use or to fill in the gap:

  • A
  • B

Q24:

If 8 { 6 , 1 , 𝑥 } , what numbers can 𝑥 NOT be?

  • A8
  • B6, 8
  • C6, 1
  • D1, 6, 8

Q25:

If 6 { 5 , 𝑥 } , what is 𝑥 ?