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This Article lists down the Divisibility Rules of numbers (till 20). To have a look at a few examples watch the video above. 2 – Unit’s digit of the number shall be even or 0 3 – Sum of...

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Compound Interest and Simple Interest – Tricks

Rule of 72 for Compound Interest : t = 72/R (The value is a close approximation) t is the time taken for an amount to Double R...

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