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?
The ideas of divisibility, remainders, factors, and multiples are frequently encountered in CAT puzzles. You must study divisibility rules and practise solving numerous problems in order to become ...
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