Important Questions Test: Playing With Numbers - Class 6 MCQ

# Important Questions Test: Playing With Numbers - Class 6 MCQ

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## 20 Questions MCQ Test Mathematics (Maths) Class 6 - Important Questions Test: Playing With Numbers

Important Questions Test: Playing With Numbers for Class 6 2024 is part of Mathematics (Maths) Class 6 preparation. The Important Questions Test: Playing With Numbers questions and answers have been prepared according to the Class 6 exam syllabus.The Important Questions Test: Playing With Numbers MCQs are made for Class 6 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Playing With Numbers below.
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Important Questions Test: Playing With Numbers - Question 1

### If a number is divisible by 5, then which of the following can be its one’s digit?

Detailed Solution for Important Questions Test: Playing With Numbers - Question 1

A number is divisible by 5 if the one's digit of the number is 0 or 5.

Important Questions Test: Playing With Numbers - Question 2

### If a number is divisible by each of two co-prime numbers than it is divisible by their

Detailed Solution for Important Questions Test: Playing With Numbers - Question 2

If a number is divisible by each of two or more co-prime numbers then it is divisible by their products.

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Important Questions Test: Playing With Numbers - Question 3

### _____ is the factor of 68.

Detailed Solution for Important Questions Test: Playing With Numbers - Question 3

Factors of 68 are 1, 2, 4, 17, 34, 68

Important Questions Test: Playing With Numbers - Question 4

If a number is divisible by 10, then which of the following can be its one’s digit?

Detailed Solution for Important Questions Test: Playing With Numbers - Question 4

If a number is divisible by 10, then its one's digit must be 0. Therefore, the correct option is: 0

Important Questions Test: Playing With Numbers - Question 5

Which of them is prime number?

Detailed Solution for Important Questions Test: Playing With Numbers - Question 5

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

Important Questions Test: Playing With Numbers - Question 6

Which of them is composite number?

Detailed Solution for Important Questions Test: Playing With Numbers - Question 6

A natural number greater than 1 that is not prime is called a composite number.

Important Questions Test: Playing With Numbers - Question 7

Every prime number except ______ is odd.

Detailed Solution for Important Questions Test: Playing With Numbers - Question 7

Every prime number is divisible only by itself. 1 and 2 is the smallest even number that is followed by condition that is so it as even prime number.

These numbers have been taken and divisible by 2 so expect 2 all prime numbers are odd. There is no exception and number 2 is prime even number.

Important Questions Test: Playing With Numbers - Question 8

______ is the smallest prime number which is even.

Important Questions Test: Playing With Numbers - Question 9

Number of factors of a given number are _______.

Detailed Solution for Important Questions Test: Playing With Numbers - Question 9

Factors of a number are defined as numbers or algebraic expressions that divide a given number/expression evenly. We can also say, factors are the numbers which are multiplied to get the other number. For example, 1, 3 and 9 are the factors of 9, because 1 × 9 = 9 and 3 × 3 = 9.

So the number of factors of a given number are finite.

Important Questions Test: Playing With Numbers - Question 10

The number of multiples of a given number is _______.

Detailed Solution for Important Questions Test: Playing With Numbers - Question 10

The number of multiples of a given number is infinite. Example : Multiples of 2 = {2,4,6,8,10,...} Multiples of 3 = { 3,6,9,12,15,18,...}

Important Questions Test: Playing With Numbers - Question 11

901153 is divisible by ___.

Detailed Solution for Important Questions Test: Playing With Numbers - Question 11

Sum of odd digits = 9 + 1 + 5 = 15

Sum of even digits = 0 + 1 + 3 = 4

Difference = 15-4 = 11
Difference is divisible by 11. Therefore, 901153 is divisible by 11.

Important Questions Test: Playing With Numbers - Question 12

Every ______ of a number is greater than or equal to that number.

Important Questions Test: Playing With Numbers - Question 13

Find the HCF of 18, 48.

Detailed Solution for Important Questions Test: Playing With Numbers - Question 13

Factors of 18 = 2 x 3 x 3

Factors of 48 = 2 x 2 x 2 x 2 x 3

H.C.F. (18, 48) = 2 x 3 = 6

Important Questions Test: Playing With Numbers - Question 14

A number is divisible by 12. By what other numbers will that number be divisible?

Detailed Solution for Important Questions Test: Playing With Numbers - Question 14

Option 4: 3 and 4

Explanation: A number divisible by 12 must also be divisible by both 3 and 4 because:

• 12 is the product of 3 and 4 (i.e., 12=3×4).
• If a number is divisible by 12, it is also divisible by both of its factors, 3 and 4.
Important Questions Test: Playing With Numbers - Question 15

The exact divisor of number 9 is

Important Questions Test: Playing With Numbers - Question 16

A number is divisible by 6. By what other numbers will that number be divisible

Detailed Solution for Important Questions Test: Playing With Numbers - Question 16

To determine the numbers by which a number divisible by 6 will also be divisible, consider the factors of 6:

- Factors of 6 are 2 and 3.
- Therefore, if a number is divisible by 6, it will also be divisible by 2 and 3.
- The correct answer is C: 2 and 3.

Important Questions Test: Playing With Numbers - Question 17

Find the HCF of 27, 63.

Detailed Solution for Important Questions Test: Playing With Numbers - Question 17

Factors of 27 = 3 x 3 x 3

Factors of 63 = 3 x 3 x 7

H.C.F. (27, 63) = 3 x 3 = 9

Important Questions Test: Playing With Numbers - Question 18

Which number is factor of every number?

Important Questions Test: Playing With Numbers - Question 19

The HCF of two consecutive numbers is

Detailed Solution for Important Questions Test: Playing With Numbers - Question 19

The HCF of two consecutive numbers is always one. The reason behind this is that the two consecutive numbers do not have any common factor other than 1. Hence 1 becomes the highest common factor between two consecutive numbers.

Important Questions Test: Playing With Numbers - Question 20

The LCM of two co-prime numbers is

Detailed Solution for Important Questions Test: Playing With Numbers - Question 20

The LCM of two coprime numbers is the product of the numbers.

## Mathematics (Maths) Class 6

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## Mathematics (Maths) Class 6

94 videos|347 docs|54 tests