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10 questions
A number is divisible by 6 if it is divisible by
2
3
Both 2 and 3
Only 2 or only 3
In which of the following prime factorisation has been done:
56 = 1x2x2x2x7
56 = 2x2x2x7
56 = 2x4x7
56 = 2x2x14
Three bottles of oil contain 120, 240, 288 ml of oil respectively. Find the largest container which can measure these quantities of oil exactly.
24
60
120
249
The first 2 common multiples of 3 and 4 are ____ and ___.
12 and 20
12 and 16
12 and 18
12 and 24
2 and 3 are co-primes then their LCM is ________
1
2x3
2/3
None of the above
Three bells ring at the interval of 15,20, 30 minutes respectively. If they ring together at 12 noon. When will they again ring together?
12:30 pm
12:45 pm
1 pm
1:30 pm
Fill in the smallest digit in the blank so that 156__9 is divisible by 3.
0
1
2
3
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