Skip to content
Philoid
Browse Saved
Back to chapter
Mathematics
1. Theory of sets
Home · Class 9 · Mathematics · Ref. Book · 1. Theory of sets
Prev
Next
Q12 of 71 Page 14

Which of the sets are equal sets? State the reason.

Φ, {0}, {Φ}

Each one is different from each other as we can see below:


Φ - contains no element


{0} - contains one element which is 0.


{Φ} - contains one element, which is a null element.


More from this chapter

All 71 →
10

From the sets given below, select equal sets.

A = {12, 14, 18, 22}, B = {11, 12, 13, 14}, C = {14, 18, 22, 24}


D = {13, 11, 12, 14}, E = {−11, 11}, F = {10, 19}, G = {11, −11}, H = {10, 11}

11

Is Φ = {Φ}? Why?

13

Fill in the blanks with to make each statement true.

i. {3} ---- {0, 2, 4, 6}


ii. {a} ---- {a, b, c}


iii. {8, 18} ---- {18, 8}


iv. {d} ---- {a, b, c}

14

Let X = {−3, −2, −1, 0, 1, 2} and Y = {x : x is an integer and −3 ≤ x < 2}

i. Is X a subset of Y?


ii. Is Y a subset of X?

Questions · 71
1. Theory of sets
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved