Class 6 Playing With Numbers CBSE Questions & Answers

Class 6 · Playing With Numbers

This is Mathematics Class 6 Playing with Numbers CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

First three multiples of 5 are ________.

A
5, 10 and 15
Correct
B
15, 20 and 25
C
10, 15 and 20
D
None of these

The numbers 21, 27, 36, 54, 219 are divisible by

A
7
B
5
C
3
Correct
D
2

Find the LCM of 8 and 20.

A
10
B
None of these
C
20
D
40
Correct

Find the LCM of 6 and 15.

A
20
B
10
C
None of these
D
30
Correct

Find the HCF of 24 and 36.

A
5
B
6
Correct
C
2
D
7

Find the HCF of 12, 16 and 28.

A
2
B
4
Correct
C
1
D
0

The product of LCM and HCF of two numbers is equal to

A
Difference of numbers
B
Product of numbers
Correct
C
Quotient of numbers
D
Sum of numbers

The missing number is

A
4
B
2
Correct
C
3
D
5

What are the prime factors of greatest 4 –digit number?

A
3 \( \times \) 3 \( \times \) 11 \( \times \) 101
Correct
B
3 \( \times \) 11 \( \times \) 11
C
3 \( \times \) 3 \( \times \) 11\( \times \)11
D
None of these

Which of the following expression has prime factors?

A
56 = 7 \( \times \) 2 \( \times \) 2 \( \times \) 2
B
54 = 2 \( \times \) 3 \( \times \) 9
C
24 = 2 \( \times \) 3 \( \times \) 4
D
70 = 2 \( \times \) 5 \( \times \) 7
Correct

Which of the following numbers has 4 different prime factors?

A
120
B
210
Correct
C
24
D
100

The product of three consecutive numbers is always divisible by

A
6
B
8
C
2
Correct
D
4

The sum of two consecutive odd numbers is always divisible by

A
8
B
4
C
6
D
2
Correct

What is the H.C.F. of 18 and 42?

A
2
B
6
Correct
C
4
D
3

What is the H.C.F. two consecutive even numbers?

A
3
B
2
Correct
C
4
D
5