We have compiled the NCERT MCQ Questions for Class 6 Maths Chapter 3 Playing with Numbers with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 6 Maths with Answers on a daily basis and score well in exams. Refer to the Playing with Numbers Class 6 MCQs Questions with Answers here along with a detailed explanation.

## Playing with Numbers Class 6 MCQs Questions with Answers

Choose the correct option.

Question 1.

Which of these is the factor of 50.

(a) 10

(b) 3

(c) 7

(d) 6

## Answer

Answer: (a) 10

Question 2.

What is the sixth multiple of 13?

(a) 78

(b) 65

(c) 52

(d) 91

## Answer

Answer: (a) 78

Question 3.

Which of them is a prime number?

(a) 13

(b) 14

(c) 28

(d) 25

## Answer

Answer: (a) 13

Question 4.

Which of them is a composite number?

(a) 45

(b) 11

(c) 31

(d) 13

## Answer

Answer: (a) 45

Question 5.

The number of multiples of a given number is

(a) 10

(b) 100

(c) 1000

(d) infinite

## Answer

Answer: (d) infinite

Question 6.

The smallest composite number is

(a) 4

(b) 1

(c) 9

(d) 6

## Answer

Answer: (a) 4

Question 7.

What are two numbers called having only 1 as a common factor.

(a) co-prime numbers

(b) twin prime numbers

(c) composite numbers

(d) prime numbers.

## Answer

Answer: (a) co-prime numbers

Question 8.

The HCF of two co-prime numbers is

(a) 0

(b) 3

(c) 2

(d) 1

## Answer

Answer: (d) 1

Question 9.

The HCF of 12 and 16 is

(a) 2

(b) 4

(c) 6

(d) 1

## Answer

Answer: (b) 4

Question 10.

The LCM of 12 and 16 is

(a) 24

(b) 48

(c) 96

(d) 32

## Answer

Answer: (b) 48

Question 11.

The only even number which is not a composite number is:

(a) 2

(b) 4

(c) 6

(d) 8

## Answer

Answer: (a) 2

Question 12.

The smallest prime number is:

(a) 0

(b) 1

(c) 2

(d) 3

## Answer

Answer: (c) 2

Fill in the blanks

Question 1.

Every multiple of a given number is greater than or equal to that …………………..

## Answer

Answer: Number

Question 2.

The number ………………….. is the smallest prime number and is even.

## Answer

Answer: 2

Question 3.

HCF of 10 and 15 is …………………..

## Answer

Answer: 5

Question 4.

First three multiples of 11 are …………………..

## Answer

Answer: 11, 22, 33

Question 5.

The HCF of two co-prime numbers is …………………..

## Answer

Answer: 1

Question 6.

The LCM of two co-prime numbers is …………………..

## Answer

Answer: Product of numbers

Question 7.

If two given numbers are divisible by a number, then their ………………….. also divisible by that number.

## Answer

Answer: sum

Question 8.

A number is divisible by ………………….., if it is divisible by both 3 and 6.

## Answer

Answer: 18

Question 9.

HCF of 11 and 44 is …………………..

## Answer

Answer: 11

Question 10.

The numbers which are not multiple of 2 are called ………………….. numbers.

## Answer

Answer: odd

Question 11.

The numbers which are a multiple of 2 are called ………………….. numbers.

## Answer

Answer: even

Question 12.

First two multiples of 8 are …………………..

## Answer

Answer: 8, 16

Question 13.

There are ………………… prime numbers up to 100.

## Answer

Answer: 25

Question 14.

Two consecutive odd prime numbers are called ……………………. primes.

## Answer

Answer: Twin

Question 15.

A …………………….. of a number is an exact divisor of that number.

## Answer

Answer: Factor

Question 16.

Every number is a factor of …………………

## Answer

Answer: Itself

Match the Following

Column I | Column II |

(i) HCF of two consecutive numbers | (a) 4 |

(ii) LCM of two co-prime numbers | (b) 97 |

(iii) HCF of two consecutive even numbers | (c) 1 |

(iv) Smallest composite number | (d) 2 |

(v) Largest 2-digit prime number | (e) product of two numbers |

## Answer

Answer:

Column I | Column II |

(i) HCF of two consecutive numbers | (c) 1 |

(ii) LCM of two co-prime numbers | (e) product of two numbers |

(iii) HCF of two consecutive even numbers | (d) 2 |

(iv) Smallest composite number | (a) 4 |

(v) Largest 2-digit prime number | (b) 97 |

Column I | Column II |

(a) HCF of two or more given numbers | (i) is never less than any of them. |

(b) LCM of two or more given numbers | (ii) is never greater than any of them. |

(c) LCM of two co-prime numbers is equal to their | (iii) sum |

(d) A factor of two numbers is also a factor of their | (iv) product |

## Answer

Answer:

Column I | Column II |

(a) HCF of two or more given numbers | (ii) is never greater than any of them. |

(b) LCM of two or more given numbers | (i) is never less than any of them. |

(c) LCM of two co-prime numbers is equal to their | (iv) product |

(d) A factor of two numbers is also a factor of their | (iii) sum |

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