MCQ Questions for Class 5 Maths Be My Multiple I Will Be Your Factor Quiz 2

What do you mean by co-prime numbers. Explain with examples.

0%
Numbers having any two factors in common
0%
Numbers having more than two factors in common
0%
Numbers having two factors in common- 1 and the number itself
0%
Numbers having one factor in common i.e. 1

Represent 24 as product of prime factors

0%
$24=4\times 6$
0%
$24=8\times 3$
0%
$24=2\times 2\times 2\times 3$
0%
$24=2\times 2\times 6$

Explanation

24 = 2 \times 2 \times 2 \times 3

$24=2\times2\times2\times3$

Identify factor trees of 18 from the given figures.

0%
Only figure (A)
0%
Only figure (B)
0%
Both figure (A) and (B)
0%
None of the above

Explanation

18 = 9 \times 2 = 3 \times 3 \times 2 = 6 \times 3

$18 = 9 \times 2 = 3 \times 3 \times 2 = 6 \times 3$

Find all the prime factors of 15 and 30 and hence find Highest Common Factor of 15 and 30.

0%
15
0%
30
0%
5
0%
1

Explanation

15 = 3 \times 5

$15=3\times5$

30 = 2 \times 3 \times 5

$30=2\times3\times5$

Highest common factor =

3 \times 5 = 15

$3\times5=15$

All the factors of 24

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1, 2, 4, 8, 12, 24
0%
1, 3, 8, 12, 24
0%
1, 2, 3, 4, 6, 8, 12, 24
0%
1, 4, 8, 14, 24

Explanation

The factors of

24

$24$ are 1, 2, 3, 4, 6, 8, 12, 24.

All the prime factors of 50

0%
$50=5\times 10$
0%
$50=2\times 25$
0%
$50=5\times 5\times 2$
0%
$50=5\times 5$

Explanation

50 = 5 \times 5 \times 2

$50=5\times 5\times 2$

Find Highest Common Factor of 35 and 45

0%
15
0%
10
0%
5
0%
7

Explanation

35 = 5 \times 7

$35=5\times7$

45 = 3 \times 3 \times 5

$45=3\times3\times5$

HCF

= 5

$=5$

Perform prime factorisation of 30, 40 and 50 by factor tree method. Hence find the highest common factor of 30,40 and 50

0%
5
0%
20
0%
40
0%
10

Explanation

30 = 2 \times 3 \times 5

$30=2\times3\times5$

40 = 2 \times 2 \times 2 \times 5

$40=2\times2\times2\times5$

50 = 2 \times 5 \times 5

$50=2\times5\times5$

H C F = 2 \times 5 = 10

$HCF=2\times5=10$

Find the first four common multiples of the following :

3, 4

$3, 4$ and

6

$6$ .

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$72, 78, 84, 90$
0%
$12, 24, 36, 48$
0%
$24, 30, 36, 42$
0%
$8, 12, 16, 21$

Explanation

Multiples of $3 = 3, 6, 9, 12, 15, 18..$
Multiples of $4 = 4, 8, 12, 16, 20..$

Multiples of $6 = 6, 12, 18, 36..$

The first common multiple will be $12$

And the next common multiples will be multiples of $12$

Hence, first four common multiples of $3, 4, 6$ are $12, 24, 36, 48$

State true or false:

The common factors of

18

$18$ and

24

$24$ are

1, 2, 3, 6

$1,2,3,6$ .

0%
True
0%
False

Explanation

Factors of

18 = 1, 2, 3, 6, 8, 9

$18 = 1, 2, 3, 6, 8, 9$ and

18

$18$

Factors of

24 = 1, 2, 3, 4, 6, 8, 12

$24 = 1, 2, 3, 4, 6, 8, 12$ and

24

$24$

Common factors are

1, 2, 3, 6

$1, 2, 3, 6$

State whether the following statement is True or False

The first six multiples of

13

$13$ are:

13, 26, 39, 52, 65, 78

$13,26,39,52,65,78$ .

0%
True
0%
False

Explanation

First six multiples of

13 = 13 \times 1, 13 \times 2, 13 \times 3, 13 \times 4, 13 \times 5, 13 \times 6

$13 = 13\times 1,\,13\times 2,\,13\times 3,\,13\times 4,\,13\times 5,\,13\times 6$

i.e.

13, 26, 39, 52, 65, 78

$13, 26, 39, 52, 65, 78$

The given statement is true.

Find the first four common multiples of the following :

3

$3$ and

4

$4$ .

0%
$24, 28, 32, 36$
0%
$24, 27, 33, 36$
0%
$12, 24, 36, 48$
0%
$12, 15, 20, 24$

Explanation

Multiples of

3 = 3, 6, 9, 12, 15, 18..

$3 = 3, 6, 9, 12, 15, 18..$
Multiples of

4 = 4, 8, 12, 16, 20..

$4 = 4, 8, 12, 16, 20..$

The first common multiple will be

12

$12$

And the next common multiples will be multiples of

12

$12$

Hence, first four common multiples of

3, 4

$3, 4$ are

12, 24, 36, 48

$12, 24, 36, 48$

Find the first six multiples of

17

$17$

0%
$17, 51, 85, 102, 119$
0%
$34, 76, 102, 119, 340$
0%
$34, 51, 68, 102, 170$
0%
$17, 34, 51, 68, 85, 102$

Explanation

First six multiples of

17 = 17, 34, 51, 68, 85

$17 = 17, 34, 51, 68, 85$ and

102.

$102.$

The sum of the first five multiples of

6

$6$ is

0%
$90$
0%
$60$
0%
$30$
0%
$120$

Explanation

first five multiple of

6

$6$ are

6 \times 1 = 6

$6\times 1=6$

6 \times 2 = 12

$6\times 2=12$

6 \times 3 = 18

$6\times 3=18$

6 \times 4 = 24

$6\times 4=24$

6 \times 5 = 30

$6\times 5=30$

Their sum will be

6 + 12 + 18 + 24 + 30 = 90

$6+12+18+24+30=90$

So correct answer will be option A

State the following statement is True or False

The common factors of

75

$75$ and

50

$50$ are

1, 5, 25

$1,5,25$

0%
True
0%
False

Explanation

Factors of

50 = 1, 2, 5, 10, 25

$50 = 1, 2, 5, 10, 25$ and

50

$50$

Factors of

75 = 1, 3, 5, 15, 25

$75 = 1,3, 5, 15, 25$ and

75

$75$

Common factors are

1, 5, 25

$1, 5, 25$

Find the first four common multiples of the following :

8

$8$ and

12

$12$ .

0%
$24, 48, 72, 96$
0%
$24, 36, 48, 56$
0%
$24, 32, 40, 48$
0%
$48, 72, 96, 120$

Explanation

Multiples of

8 = 8, 16, 24, 32, . .

$8 = 8, 16, 24, 32, ..$
Multiples of

12 = 12, 24, 36, 48...

$12 = 12, 24, 36, 48...$

The first common multiple will be

24

$24$

And the next common multiples will be multiples of

24

$24$

Hence, first four common multiples of

8, 12

$8, 12$ are

24, 48, 72, 96

$24, 48, 72, 96$

Match the following.

	Column I		Column II
(i)	49	(p)	Multiple of 3
(ii)	25	(q)	Multiple of 4
(iii)	16	(r)	Multiple of 7
(iv)	39	(s)	Multiple of 5

(i) (ii) (iii) (iv)

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s p r q
0%
r s q p
0%
s r p q
0%
p q r s

Three common multiples of

18

$18$ and

6

$6$ are:

0%
$18, 6, 9$
0%
$18, 36, 6$
0%
$36, 54, 72$
0%
None of the above

Explanation

Common multiple means that the number should be divisible by both

18

$18$ and

6

$6$

So, the required numbers are

36,

$36,$

54

$54$ and

72

$72$ .

Hence, the answer is

36,

$36,$

54,

$54,$

72

$72$ .

The numbers which are multiples of

2

$2$ are called ____.

0%
odd
0%
even
0%
prime
0%
composite

Explanation

The numbers

2, 4, 6, 8, 10

$2,4,6,8,10$ are known as even number.

The numbers which are completely divisible by

2

$2$ are known as even numbers.

So, the numbers which are multiples of

2

$2$ are called even numbers.

What is the least common multiple of

10

$10$ and

20

$20$ ?

0%
$2$
0%
$5$
0%
$10$
0%
$20$
0%
$200$

Explanation

10 = 2 \times 5

$10=2\times5$

20 = 2 \times 2 \times 5

$20=2\times 2\times 5$

Thus,

$LCM=2\times2 \times 5\\=20$

CBSE Questions for Class 5 Maths Be My Multiple I Will Be Your Factor Quiz 2 - MCQExams.com

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Practice Class 5 Maths Quiz Questions and Answers

CBSE Questions for Class 5 Maths Be My Multiple I Will Be Your Factor Quiz 2 - MCQExams.com

0:0:2

Practice Class 5 Maths Quiz Questions and Answers

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