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The smallest whole number

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The smallest whole number

by sanju09 » Tue Mar 03, 2009 4:42 am
The smallest whole number which is exactly divisible by 11/2, 21/4, 33/2, 42/5 is given by:

A. 441
B. 462
C. 1089
D. 1386
E. 4158
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Re: The smallest whole number

by piyush_nitt » Tue Mar 03, 2009 4:51 am
sanju09 wrote:The smallest whole number which is exactly divisible by 11/2, 21/4, 33/2, 42/5 is given by:

A. 441
B. 462
C. 1089
D. 1386
E. 4158
IMO B

LCM of denominators 2,4,5 is 20

Fractions can be reduced to : 110/20 , 105/20 , 330/20 , 168/20

LCM of Num : 110,105,330,168 = 9240

Required number is 9240/20 = 462
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