A -3-6-9-12-15-18-21B -2-4-6-8-10-12-14-16C -5-10-15-20Match thearray c - c Whine 820-2 - - A - C18-21- C-A-B1114- C - A - B - D - -15-2-4-6-8-12-14-16 111- E - 2- C - 3- D - 4- AB- 1- E - 2- C - 3- A - 4- D1- C - 2- A - 3- E - 4- DD- 1- C - 2- A - 3- D - 4- E

The correct option is B 1 E, 2 C, 3 A, 4 D 1. B C = 2, 4, 6, 8, 10, 12, 14, 16 5, 10, 15, 20 nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; ...

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Byju's Answer

Standard VIII

Mathematics

Difference of Two Sets

A =3,6,9,12,1...

Question

A = {3, 6, 9, 12, 15, 18, 21}

B = {2, 4, 6, 8, 10, 12, 14, 16}

C = {5, 10, 15, 20}

Match the following :
$\begin{matrix} A & B 1. B - C & A . {5, 10, 20} 2. A - C & B . {3, 9, 15, 21} 3. C - (A - B) & C . {3, 6, 9, 12, 18, 21} 4. C \cap (A - B) & D . {15} E . {2, 4, 6, 8, 12, 14, 16} \end{matrix}$

1 - E, 2 -C, 3 - D, 4 - A

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1 - E, 2 -C, 3 - A, 4 - D

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1 - C, 2 -A, 3 -E, 4 - D

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1 - C, 2 -A, 3 -D, 4 - E

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Solution

The correct option is B
1 - E, 2 -C, 3 - A, 4 - D

1. B - C = {2, 4, 6, 8, 10, 12, 14, 16} - {5, 10, 15, 20}

= {2, 4, 6, 8, 12, 14, 16} $\to$ E

2. A - C = {3, 6, 9, 12, 15, 18, 21} - {5, 10, 15, 20}

= {3, 6, 9, 12, 18, 21} $\to$ C

3. C - (A - B)

A - B = {3, 6, 9, 12, 15, 18, 21} - {2, 4, 6, 8, 10, 12, 14, 16}

= {3, 9, 15, 18, 21}

C - (A - B) = {5, 10, 15, 20} - {3, 9, 15, 18, 21}

= {5, 10, 20} $\to$ A

4. C ∩ (A - B) = {5, 10, 15, 20} ∩ {3, 9, 15, 18, 21}

= {15} $\to$ D

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Similar questions

If A = {3, 6, 9, 12, 15, 18, 21}

B = {2, 4, 6, 8, 10, 12, 14, 16}

C = {5, 10, 15, 20}

$\begin{matrix} A & B 1. B - C & A . {5, 10, 20} 2. A - C & B . {3, 9, 15, 21} 3. C - (A - B) & C . {3, 6, 9, 12, 18, 21} 4. C \cap (A - B) & D . {15} E . {2, 4, 6, 8, 12, 14, 16} \end{matrix}$

If A = {3, 6, 9, 12, 15, 18, 21}

B = {2, 4, 6, 8, 10, 12, 14, 16}

C = {5, 10, 15, 20}, then match the following.

$\begin{matrix} A & B 1. B - C & A . {5, 10, 20} 2. A - C & B . {3, 9, 15, 21} 3. C - (A - B) & C . {3, 6, 9, 12, 18, 21} 4. C \cap (A - B) & D . {15} E . {2, 4, 6, 8, 12, 14, 16} \end{matrix}$

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A = {3, 6, 9, 12, 15, 18, 21} B = {2, 4, 6, 8, 10, 12, 14, 16} C = {5, 10, 15, 20} Match the following : AB 1. B−C A. {5,10,20} 2. A−C B. {3,9,15,21} 3. C−(A−B) C. {3,6,9,12,18,21} 4. C∩(A−B) D. {15} E. {2,4,6,8,12,14,16}