Question

If M = {3, 6, 9, 12, 15, 18} then n (M) = how much? (A) 5 (B) 6 (C) 4 (D) 7​

Answer 1

Answer:

n(M)= 6

Answer: option b

Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

If M = {3, 6, 9, 12, 15, 18} then n (M) =

(A) 5

(B) 6

(C) 4

(D) 7

CONCEPT TO BE IMPLEMENTED

SET :

A set is a well defined collection of distinct objects of our perception or of our thought to be conceived as a whole

Representation of Set :

A set can be represented in following ways

(i) Statement form method

(ii) Roster or tabular form method

(iii) Rule or set builder form method

EVALUATION

Here the given set is

M = {3, 6, 9, 12, 15, 18}

We know that set is a well defined collection of distinct objects of our perception or of our thought to be conceived as a whole

We observe that there are 6 elements in the set M

So we have

n(M)

= The number of elements in the set M

= 6

FINAL ANSWER

Hence the correct option is (B) 6

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