engineering recuitment BEL Probationary Engineers Mock Test 2025 Quantitative Aptitude Ratio and Proportion Simple Ratios
যদি (a + b) ∶ (b + c) ∶ (c + a) = 7 ∶ 6 ∶ 5 এবং a + b + c = 27 হয়, তাহলে 1/a ∶ 1/b ∶ 1/c এর মান কত হবে?
1
4 ∶ 3 ∶ 6
2
3 ∶ 4 ∶ 2
3
3 ∶ 6 ∶ 4
4
3 ∶ 2 ∶ 4