Teaching CTET (Paper 1 & Paper 2) Mock Test Series 2025 Quantitative Aptitude Number System Divisibility and Remainder
If the 9-digit number 72x8431y4 is divisible by 36, what is the value of \(\rm\left(\frac{x}{y}−\frac{y}{x}\right) \) for the smallest possible value of y, given that x and y are natural numbers?
1
1\(\frac{5}{7}\)
2
2\(\frac{1}{10}\)
3
1\(\frac{2}{5}\)
4
2\(\frac{9}{10}\)