Question

DATE:
Factors and Multiples
1. Choose the correct option, (MCO's)
(1) The first 7th multiple of 15 is
(a) 46
(b) 15
(d) 105
(a) 3, 18
(d) 8,16
(d) 8
(c) 90
(1) Which of the following is a pair of co-primes ?
(b) 7,98
(0) 2,9
(it) Which of the following is not a factor of 96 ?
(a) 2
(b) 3
(c) 5
(iv) The prime factors of 20 are
(a) 1, 2, 4, 5, 10, 20
(b) 2,4,5, 10,20
(c) 1,5
(d) 2,5
The first three multiples of 12 are
(a) 24, 36, 48 (b) 12, 24, 36 (c) 2,4,6
(vi) A number, which is a factor of every number, is
(a) o
(b) 2
(c) 1
(vii) The first multiple of 4 is
(b) 8
(vii) The common factor (except 1) of 112, 133 and 119 is
(a) 16
(b) 17
(C) 19
(d) 1, 12, 24
(d) Both (a) and
(d) 7​

Answer 1

Answer:

1. 105

2. 2,9

3. 5

4. 2,5

5. 12, 24, 36

6. 1

7. 4

8. both a and d

Step-by-step explanation:

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Answer 2

Answer:

a) 90

b) 7,98

c)5

d)1,2,4,5,10,20

e)24,36,48

f)1

g)8

h) 7