CBSE Class 11 Maths Sets - NCERT Exercise 1.4 Answers (Q1 - Q5) (#eduvictors)(#class11Maths)

CBSE Class 11 Maths Sets
NCERT Exercise 1.4 Answers 

(Q1 - Q5)

Q1: Find the union of each of the following pairs of sets:
(i) X = {1,3,5} Y = {1,2,3}

(ii) A = {a,e,i,o,u}, B = {a,b,c}

(iii) A = {x : x is a natural number and multiple of 3}
       B = {x : x is a natural number less than 6}

(iv) A = {x : x is a natural number and 1 < x ≤ 6 }
      B = {x : x is a natural number and 6 < x < 10 }

(v) A = {1, 2, 3}, B = φ


Answers:
(i) X = {1,3,5} Y = {1,2,3}
     X ∪ Y = {1,2,3,5}

CBSE Class 10 - Economics - Sectors of The Indian Economy (Q & A) Part-2 (#eduvictors)(#class10Economics)

Sectors of The Indian Economy (Q & A) Part-2 

CBSE Class 10 - Economics

Class 11 - Maths - Chapter: Sets - Operations Of Sets (#class11Maths)(#eduvictors)

Sets - Operations Of Sets

Class 11 - Maths

COMPLEMENT OF A SET

If U  be the universal set and A is the subset of U, then the complement of A with respect to U, denoted by A',
A' is defined as
A' = {x : x ∈ U and x  ∉ A }

CBSE Class 12/NTSE/ - Chemistry - Functions of Catalysts (#class12Chemistry)(AIPMT)(#eduvictors)

Chemistry - Functions of Catalysts

Catalyst, in chemistry, any substance that increases or decreases the rate of a reaction without itself being consumed. Enzymes are bio catalysts i.e. naturally occurring catalysts responsible for many essential biochemical reactions.

Here is a list of catalysts used in various chemical reactions:


1. In Haber’s process for manufacture of ammonia
    Catalyst: Iron powder

English Vocabulary - Commonly Confused Words (Part-3)(#eduvictors)(#englishvocabulary)

Commonly Confused Words 

(Part-3)

English Vocabulary 

English is full of phrases or words, which sound the same or comparable yet have distinctive meanings and are sometimes confusing too. Here is the third list of commonly confused words.

Amoral, Immoral
Amoral not concerned with right or wrong
Immoral means not following the accepted moral standards

Class 11 - Maths - Chapter: Sets - Venn Diagrams (#class11Maths)(#eduvictors)

Venn Diagrams

Chapter: Sets

Class 11 - Maths

Most of the relationship between sets can be represented by means of diagrams.

Figures representing sets in the form of an enclosed region in the plane are called Venn Digrams. In these diagrams, the universal set is usually represented by a rectangular region and its subsets by bounded regions inside the rectangular region.

VENN DIAGRAMS IN DIFFERENT SITUATIONS

Class 10 English - Cloze Test - Fill in the Blanks (New Pattern 2019-2020)(#class10English)(#eduvictors)

Cloze Test

Fill in the Blanks 

(New Pattern 2019-2020)

Class 10 English

Cloze Test are back! A Cloze Test or Cloze Reading Test is an exercise where the candidates are provided with a passage which has certain words missing from it. It follows logically that to ace such an assessment, you must have a strong command over English Language,  Grammar and Good Vocabulary. More importantly, it is important to understand the flow and context of the passage. 

Directions: Complete the paragraph given below by filling in the blanks choosing the correct option from those that follow:

Biology Quiz-5 (AIPMT/NEET/CET) (#biologyquiz)(#eduvictors)

Biology Quiz-5 

(AIPMT/NEET/CET)

Multiple Choice Questions

Q1: A particular species of plant produces light, non sticky pollen in large numbers and its stigma are long and feathery. These modifications facilitate pollination by

(a) Insects
(b) Water
(c) Wind
(d) Animals

CBSE Class 11 - Chapter Sets - NCERT Exercise 1.3(#class11Maths)(#eduvictors)

Mathematics - Sets 

CBSE Class 11 NCERT Exercise 1.3

Q1: Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces :

(i) { 2, 3, 4 } . . . { 1, 2, 3, 4,5 }

Answer: ⊂

(ii) { a, b, c } . . . { b, c, d }

Answer: ⊄


(iii) {x : x is a student of Class XI of your school}. . .{x : x student of your school}

Answer: ⊂

(iv) {x : x is a circle in the plane} . . .{x : x is a circle in the same plane with radius 1 unit}

Answer: ⊄

CBSE Class 10 - Economics - Sectors of The Indian Economy (Q & A ) Part-1 (#class10economics)(#eduvictors)

Sectors of The Indian Economy 

CBSE Class 10 - Economics 

(Q & A ) Part-1