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kvin2koolPosted - 30 June 2008 20:24  Show Profile
can some one help me with a short cut for the below ??

How many integers between 100 and 150, inclusive, cannot be evenly divided by 3 nor 5?

student1980 Posted - 19 July 2008 11:59  Show Profile
i guess you got this question in the online test of this forum.official answer is 27 as per answers given.<BR>numbers evenly divisible by 3 are=51/3=17<BR>numbers evenly divisible by 5 are=51/5=10<BR>so,total numbers evenly divisible by 3 or 5 are=27<BR>numbers evenly divisible by 15 are=51/15=3<BR>so,total numbers evenly divisible by 3 and 5 are=27-3=24<BR>so,total numbers not evenly divisible by 3 and 5 are=51-24=27</P><P>

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