railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Ratio and Proportion Simple Ratios

যদি X: Y = 7: 5 এবং Y: Z = 7: 11 হয় তবে X: Y: Z এর অনুপাত কত?

1
30: 35: 49
2
49: 35: 55
3
7: 5: 1
4
49: 30: 55
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