HCF-LCM

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Three numbers are in the ratio 6 : 7 : 8 and their L.C.M. is 3024. Then their H.C.F. is.....

9
yes
27
no
24
no
14
no
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A person has to completely put each of three liquids 403 litres of petrol,465 litres of diesel and 496 litres of Mobil Oil in bottles of equal size without mixing any of the above three types of liquids such that each bottle is completely filled. What is the least possible number of bottles required?
34
no
44
no
46
no
None
yes
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Three bells toll at intervals of 9, 12 and 15 minutes respectively. All the three begin to toll at 8 a.m. At what time will they first toll together again?
8.45 AM
no
10.30 AM
no
11.00 AM
yes
1.30 PM
no
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How many numbers from 0 to 999 are not divisible by either 5 or 7?
313
no
341
no
686
yes
786
no
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The least number which when divided by 35, 45, 55 leaves the remainder 18, 28, 38 respectively is.......
2468
no
3265
no
3482
no
3448
yes
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