find the smallest no.which when increased by 20 is exactly divisible by 90 and 144
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Find the smallest number which when increased by 20 is exactly divisible by 90 and 144. Lcm of 90 and 144 is= 720,it is the smallest number that is divisible by 90 and144. So number is = 700 answer which is increased by 20 will be 720
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