Question

1) All of these numbers are not divisible by 3 except for *
1/1
1234
3212
9009


2) Which of the following are co-prime numbers *
0/1
20 ,45

17 ,34
6, 30
5 ,8


3) The HCF of 9 and 81 is *


4) The improper fraction of 3 6/8 is *
0/1
30/8
18/8
51/8


5) The LCM of 8 and 48 is *
0/1
8
48
384
2


6) Which of the following is an even number *
1/1
131
999
465
528


7) Which of these numbers is divisible by both 2 and 5 *
1/1
615
214
670
673

8) Two consecutive prime numbers are *
1/1
3,5
2,3
11,13
5,7

9) There is only one prime number between 90 and 100 *
0/1
True
Flase

10) 4050001 is divisible by 9 *
1/1
True
False


11) 3 is the smallest prime number *
1/1
True
False


12) 5 is a factor of 15 *
1/1
True

False

13)6/7 =36/49 *
0/1
True

False


14) The prime factorization of 24 is 3X2X2X2 *
1/1
True

False

15) A unit fraction with the denominator 7 is_________ *

16)3/8 +2/4 =_________ *

17) 5/12 - 3/24 *

18) The HCF of two co-prime numbers is *
__________


19) A fraction is in its lowest term when the numerator and denominator have no common factor except __________ *



20) The largest factor of 27 is ____________ *
0/1
9
​

Answer 1

Answer:

1) 9009

2) 6,30

3) 3x3

4) 18/8

5) 48

6) 528

7) 670

8) 11,13

9) true

10) false

11) true

12) true

13) true

14) true

15) 8

16) 5/8

17) 2/12

18) 3

19) 3

20) 9