defence exam CRPF Head Constable Ministerial & ASI 2022 Mock Test Quantitative Aptitude Ratio and Proportion Compound Ratios

यदि a : b = 4 : 5 और b : c = 3 : 8 है, तब 3a : 4b : 6c बराबर है:

1
5 : 3 : 10
2
5 : 3 : 20
3
3 : 5 : 10
4
3 : 5 : 20
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