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In this lesson, we will learn how to find the intersection between two sets or more.

Q1:

If π΄ = { 6 , 5 , 9 , 1 } and π΅ = { 7 , 5 , 9 , 8 } , what is π΄ β© π΅ ?

Q2:

Given that { 1 4 , π₯ } βͺ { 2 π₯ , π₯ } = { 7 , 2 π₯ } β© { 1 4 , 7 } , what is the value of π₯ ?

Q3:

Use β or β to fill in the gap: { 7 , 9 , 8 } β© { 7 , 9 8 } { 9 8 } .

Q4:

If π = { 7 , 1 } β© { 7 , 3 } , then 9 π .

Q5:

Use β or β to fill in the gap: { 2 3 } { 2 3 } β© { 3 } .

Q6:

If π = { 0 , 7 , 6 } , π = { 5 , 9 } , and π = { 3 , 1 0 } , what is ( π β© π ) βͺ π ?

Q7:

If π΄ = { π₯ , π¦ , π , π } and π΅ = { π₯ , π , π , π } , what is π΄ β© π΅ ?

Q8:

If { 2 , 6 , 9 } β© { 4 , π₯ , 2 } = { 2 , 6 } , what is π₯ ?

Q9:

What is the intersection between the set of digits of the number 72β240 and the set of digits of the number 67β689?

Q10:

Given that π = { 1 , 3 , 4 , 5 } , π = { 1 , 6 , 8 , 3 } , and π = { 9 , 6 , 3 } , find ( π β© π ) β© π .

Q11:

Use β or β to fill in the gap: { 9 , 4 , 7 } β© { 7 , 1 } { 5 , 7 } .

Q12:

If π = { 1 , 7 , 4 } β© { 6 , 4 } , then π { 5 , 4 } .

Q13:

Find the intersection set between the set of digits of the number 666 and the set of digits of the number 66.

Q14:

If π = { 1 , 2 } β© { 2 , 6 } , then 2 π .

Q15:

Find { 3 , 9 } β© { 3 9 } .

Q16:

Find { π¦ , π₯ } β© { π¦ , π§ , π } .

Q17:

If π = { 7 , 6 , 9 , 4 } , π = { 6 , 9 , 2 } , and π = { 3 , 6 , 7 } , what is π β© π β© π ?

Q18:

If π = { 4 , 5 } , π = { 3 , 6 , 2 , 4 } , and π = { 3 , 8 , 4 } , what is π β© π β© π ?

Q19:

Find { 7 , 4 } β© { 4 , 7 } .

Q20:

Find { 2 , 3 , 6 } β© { 2 , 3 6 } .

Q21:

Given that π΄ = { 3 , 6 , 7 , 9 } , π΅ = { 3 , 5 , 6 , 9 } , and πΆ = { 5 , 6 , 9 } , write the set of common elements in πΆ and π΅ . Then write the set of elements common to π΄ and π΅ and πΆ .

Q22:

Find { 1 } β© { 1 1 } .

Q23:

What is { 1 , 4 } β© { 4 , 6 } ?

Q24:

What is { 1 , 5 } β© { 1 , 8 } ?

Q25:

π = { 2 , 6 , 9 , 3 } and π is the set of digits of the number 9β922. Find π β© π .

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