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- 1. Multiple Choice
Which of the following is not a factor of 36
12
6
9
18
24
- 2. Multiple Choice
Which of the following is not a multiple of 12
12
36
98
108
- 3. Multiple Choice
1 is a factor of every number.
True
False
- 4. Multiple Choice
Every number is the multiple of itself
True
False
- 5. Multiple Choice
Which of the following is false
Factors of any number is finite.
Multiples of any number is finite
- 6. Multiple Choice
How many prime numbers are there which are less than 30
7
10
11
13
- 7. Multiple Choice
360 is not divisible by
8
3
11
9
- 8. Multiple Choice
Which of the following is true
If a number is divisible by 3, it must be divisible by 9.
A number is divisible by 18, if it is divisible by both 3 and 6.
If two numbers are co-prime, at least one of them must be prime.
A number is divisible by 9 and 10 both, then it must be divisible by 90.
- 9. Multiple Choice
1 is a
Prime number
Composite number
Even number
Odd number
- 10. Multiple Choice
In which of the following prime factorisation has been done:
56 = 1x2x2x2x7
56 = 2x2x2x7
56 = 2x4x7
56 = 2x2x14
- 11. Multiple Choice
Common factor of 56 and 64 is:
16
28
8
32
- 12. Multiple Choice
Common multiple of 15 and 10 is:
15
20
30
100
- 13. Multiple Choice
Lowest Common Factor of 12 and 8 is :
1
2
4
8
- 14. Multiple Choice
Heighest Common Factor of 12 and 8 is :
1
2
4
8
- 15. Multiple Choice
Lowest Common Multiples of 12 and 8 is :
12
8
16
24
- 16. Multiple Choice
Heighest Common Multiple of 12 and 8 is:
120
80
infinite
Can't be calculated
- 17. Multiple Choice
LCM of 12, 16, 24, 36
72
48
144
96
- 18. Multiple Choice
HCF of co-prime number is always
1
2
7
3
- 19. Multiple Choice
Renu purchases two bags of fertiliser of weights 75 kg and 69 kg. Find the maximum value of weight which can measure the weight of the fertiliser exact number of times.
1 kg
3 kg
5 kg
15 kg
- 20. Multiple Choice
The traffic lights at three different road crossings change after every 48 seconds, 72 seconds and 108 seconds respectively. If they change simultaneously at 7 a.m., at what time will they change simultaneously again?
After 7 min
After 7 min 12 sec
After 7 min 48 sec
After 7 min 52 sec
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