Home
Class 11
MATHS
Let A={x: x is a positive multiple of 3 ...

Let A={x: x is a positive multiple of 3 less than 100} and B={x: x is a prime number less than 20}, then n(A) + n(B) is equal to:

A

23

B

29

C

33

D

41

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MODEL PAPER (2)

    JBD PUBLICATION|Exercise EXERCISE|41 Videos
  • MODEL PAPER (4)

    JBD PUBLICATION|Exercise EXERCISE|39 Videos

Similar Questions

Explore conceptually related problems

The set of prime numbers less than 100 is :

The set A = {x : x is an odd number less than 10} equals :

Let A={x:x is a multiple of 5} and B={x:x is a multiple of 3}, then AcapB is:

If A = {x:x is a natural number and multiple of 3), B={x:x is a natural number less than 6}. Find A uu B.

Write the relation R = {(x, x^3 ) : x is a prime number less than 10} in roster form.

Let A = {x : x is a multiple of 3} and B = {x : x is a multiple of 5), then A nn B is given by

Write the following set in roster form: B = {x : x is a natural number less than 6}

List all the numbers less than 100 that are multiples : 21

List all the numbers less than 100 that are multiples : 17

List all the numbers less than 100 that are multiples : 12