engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 Quantitative Aptitude Number System Divisibility and Remainder
If the 9-digit number 9386x378y is divisible by 72, then what is the value of \(\frac{{{x^2} + {y^2}}}{{{x^2} - y{}^2}}?\)
1
\(17\over 8\)
2
\(13\over 5\)
3
\(41\over 9\)
4
\(61\over 11\)