What is the least number that should be added to 3736 to obtain a number exactly divisible by 21?
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15
Answer:
2
Step-by-step explanation:
to find the least number added to the digit , we first divide the number by 21 and find the remainder.
after dividing the number by 21 we get quotient 177 and remainder 19. so by adding 2 it will complete to 21 and completely divided by 21.
so your answer is 2
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