The answer is 230.
It is given that n is a three digit integer and not divisible by 3. the LCM of N and another positive integer is 690.
Factors= 2*3*5*23= 690
Answer choice 1:
690 is a multiple but if you check the factors the remaining factors give a multiple of 2.(not the answer as M can't be divicible by 2.
Answer choice 2:
230(Satisfies all conditions)(on hold, check others)
Answer choice 3:
690 is not a multiple.
Answer choice 4:
690 not a multiple
Answer choice 5:
690 (multiple of 690 but also divisible by 3)(Does not work)
Hence, correct answer is 2: 230.
Last edited by
winniethepooh on Mon Jul 25, 2011 8:39 pm, edited 1 time in total.
