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To find out if a number is divisible by seven, take the last digit, double it , and subtract it from the rest of the number. "Huh?" you may be saying. Check out this example: If you had 203, you would the last digit (three) to get six, and subtract that from 20 (the remaining amount) to get 14. Since 14 is divisible by seven, 203 is also

To find out if a number is divisible by seven, take the last digit, double it, and subtract it from the rest of the number. "Huh?" you may be saying. Check out this example: If you had 203, you would  the last digit (three) to get six, and subtract that from 20 (the remaining amount) to get 14. Since 14 is divisible by seven, 203 is also

Grade:11

1 Answers

Nishant Vora IIT Patna
askIITians Faculty 2467 Points
8 years ago
Hiii

Thanks for sharing :)

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