A curious query from a class 5 student about divisibility rule 8 in mathematics led to this government primary school teacher SursinhParmar to invent new divisibility rule 8 in maths. Representative ...
Divisibility by 8 A number is divisible by 8 if it ends with 000 or the last three digits of the number to be divided is divisible by 8. Example: 7000, 70008 Divisibility by 9 A number is divisible by ...
The crisp new dollar bill that I have just taken from my wallet bears the serial number 24598176. It’s easy to tell that the number is exactly divisible by 2 but not by 5. Is it divisible by 3? by 4?
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