Question

Find the smallest number which on being
added 7 to it is exactly divisible by 9 and 13.​

Answer 1

Answer:

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Step-by-step explanation:

We can do this by taking out the lcm of these four numbers and subtracting 7 from the lcm of these numbers.

So, the lcm of 25,45,63 and 84= 6300

6300-7=6293

Therefore, 6293 is the answer.

Answer 2

LCM of 9 and 13=117

110+7=117

Hence answer is 110

I hope it help you