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Aqua Regia, a potent mixture used to dissolve gold, is composed of Nitric Acid and Hydrochloric Acid. This combination creates a highly corrosive solution capable of dissolving gold and platinum, which are otherwise resistant to most chemical attacks.
If the numerator of a fraction is increased by 20%, and denominator is decreased by 25%, then the fraction becomes 14/9. Find the original fraction.
In a company, there are men, women, and boys working. The total daily payment to all workers is Rs. 6,390. The number of men is 20% more than the number...
How many unique five-digit numbers can be created using the digits 0, 1, 5, 6, 7, and 8, without repeating any digit?
Find the number of factors of 80?