Question

The greatest number which divides 16 and 21 leaving remainder 1 in each case is​

Answer 1

Answer:

The LCM of 8,9 and 10 is 360.

The greatest four-digit number =9999.

Divide 9999 by 360. The remainder is 279.

The greatest four-digit number divisible by 360 is 9999−279=9720.

Now, the greatest four-digit number divisible by 360 and leaving a remainder 5 is 9720+5=9725.

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Step-by-step explanation:

Answer 2

Answer:

5 is your answer.

Step-by-step explanation:

If you divide 16 by 5 then u will get remainder 1.

If you divide 21 by 5 then also u will get remainder 1.

5 is the highest possible number which leaves remainder 1 after division