Vedic / Quicker / Shortcut Math ⇒ Topic : Divisibility of a number by 13
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Pranav
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Osculator for 13 is 4 (See note). But this time our osculator is not negative (as in case of 7). It is 'one-more' osculator. So, the working will be different now. This can be seen in the following examples. | |
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