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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