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Maharashtra State BoardSSC (English Medium) 9th Standard

If A = {a, b, c, d, e}, B = {c, d, e, f}, C = {b, d}, D = {a, e} then the following statement is true or false? A ⊆ D - Algebra

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Question

If A = {a, b, c, d, e}, B = {c, d, e, f}, C = {b, d}, D = {a, e} then the following statement is true or false?

A ⊆ D

Options

  • True

  • False

MCQ
True or False
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Solution

This statement is False.

Explanation:

We have, A = {a, b, c, d, e}, B = {c, d, e, f}, C = {b, d}, D = {a, e}

Since, b ∈ A but b ∉ D 

So, A ⊆ D is false.

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Chapter 1: Sets - Practice Set 1.3 [Page 11]

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Balbharati Mathematics 1 [English] Standard 9 Maharashtra State Board
Chapter 1 Sets
Practice Set 1.3 | Q (1) (ii) | Page 11

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