Find the greatest 5 digit number which is exactly divisible by 12, 18 and 24.
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Answered by
111
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ScientistKhushi:
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Answered by
46
LCM of 12, 18, and 24 = 72.
We can simplify the division process by canceling factors. This is much simpler.
100, 000/72 = 12500/9 = 1388 + 8/9
100,000= 1, 388 *72+ 64/72
Answer = 100,000-64= 99, 936
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Another way
99,999/ 72 = 11, 111 / 8 = 1, 388 + 7/8
99 , 999 = 1, 388 + 7*9/8*9
So answer 99,999 - 63 = 99, 936
We can simplify the division process by canceling factors. This is much simpler.
100, 000/72 = 12500/9 = 1388 + 8/9
100,000= 1, 388 *72+ 64/72
Answer = 100,000-64= 99, 936
============
Another way
99,999/ 72 = 11, 111 / 8 = 1, 388 + 7/8
99 , 999 = 1, 388 + 7*9/8*9
So answer 99,999 - 63 = 99, 936
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