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Playing with Numbers Practice Questions

Class 6 · Mathematics · 1160 free MCQs with instant results and detailed explanations.

1160
Total
353
Easy
574
Medium
233
Hard

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Topics in Playing with Numbers

HCF and LCM 289
Divisibility 283
Prime and Composite 272
Factors and Multiples 316

Sample Questions from Playing with Numbers

Here are 10 sample questions. Start a quiz to get randomized questions with scoring.

Q1
Easy
What is the smallest multiple of 5?
A. 5
B. 10
C. 15
D. 20
Show Answer & Explanation
Correct Answer: A
The smallest multiple of any number is the number itself.
Q2
Easy
Which of the following numbers is a factor of 24?
A. 6
B. 10
C. 15
D. 23
Show Answer & Explanation
Correct Answer: A
A factor is a number that divides another number exactly without leaving a remainder. 24 ÷ 6 = 4.
Q3
Easy
How many multiples of 3 are there between 1 and 10?
A. 2
B. 3
C. 4
D. 5
Show Answer & Explanation
Correct Answer: B
The multiples of 3 between 1 and 10 are 3, 6, and 9.
Q4
Medium
Which of the following numbers is a factor of 48?
A. 6
B. 10
C. 15
D. 20
Show Answer & Explanation
Correct Answer: A
6 is a factor of 48 because 48 can be divided by 6 without leaving a remainder (48 ÷ 6 = 8).
Q5
Medium
If a number is divisible by both 3 and 4, which of the following must also be true?
A. It is divisible by 12
B. It is divisible by 7
C. It is not even
D. It is a prime number
Show Answer & Explanation
Correct Answer: A
A number that is divisible by both 3 and 4 is also divisible by their least common multiple, which is 12.
Q6
Medium
Which of the following numbers has the greatest number of factors?
A. 12
B. 18
C. 24
D. 30
Show Answer & Explanation
Correct Answer: C
24 has the highest number of factors: 1, 2, 3, 4, 6, 8, 12, 24, totaling 8 factors.
Q7
Medium
Find the missing number in the sequence: 2, 4, __, 8, 10.
A. 5
B. 6
C. 7
D. 9
Show Answer & Explanation
Correct Answer: B
The sequence consists of even numbers. The missing number between 4 and 8 is 6.
Q8
Hard
What is the least common multiple (LCM) of 12 and 15?
A. 45
B. 60
C. 30
D. 75
Show Answer & Explanation
Correct Answer: B
The LCM is the smallest number that is a multiple of both 12 and 15. The multiples of 12 are 12, 24, 36, 48, 60,... and the multiples of 15 are 15, 30, 45, 60,... The smallest common multiple is 60.
Q9
Hard
Which of the following numbers is a prime factor of 84?
A. 6
B. 12
C. 7
D. 21
Show Answer & Explanation
Correct Answer: C
A prime factor is a factor that is a prime number. The prime factors of 84 are 2, 3, and 7. Hence, 7 is a prime factor of 84.
Q10
Hard
If 24 is expressed in terms of its prime factors, what is the sum of the factors?
A. 10
B. 9
C. 8
D. 12
Show Answer & Explanation
Correct Answer: A
The prime factorization of 24 is 2^3 × 3^1. The unique prime factors are 2 and 3. Their sum is 2 + 3 = 5.

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More Mathematics Chapters

1 Knowing Our Numbers
1171 Qs →
2 Whole Numbers
1146 Qs →
3 Basic Geometrical Ideas
1151 Qs →
4 Understanding Elementary Shapes
1103 Qs →
5 Integers
1071 Qs →
6 Fractions
1026 Qs →
7 Decimals
1303 Qs →
8 Data Handling
782 Qs →

Other Class 6 Subjects

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Playing with Numbers — Class 6 Mathematics Practice Questions Online

This page contains 1160 practice MCQs for the chapter Playing with Numbers in Class 6 Mathematics. The questions are organized by difficulty — 353 easy, 574 medium, 233 hard — so you can choose the right level for your preparation.

Every question includes a detailed explanation to help you understand the concept, not just memorize answers. Take a timed quiz to simulate exam conditions, or practice at your own pace with no time limit. This chapter covers 4 topics, giving you comprehensive coverage of the entire chapter.