state gov BSSC CGL Mock Test 2024 Quantitative Aptitude Ratio and Proportion Simple Ratios

यदि a ∶ b ∶ c = 2 ∶ 3 ∶ 5 और 5b - a + 2c = 115 है, तब b का मान क्या है? 

1
15
2
12
3
6
4
24
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