Teaching PSTET Paper 1 & 2 Mock Test 2024 Quantitative Aptitude Ratio and Proportion Simple Ratios

a : b = 5 : 7, b : c = 21 : 6 ਹੋਣ ਤੇ (3a + c) : (2b - c) ਦੀ ਕੀਮਤ ਪਤਾ ਕਰੋ।

1
15 : 17
2
12 : 17
3
17 : 12
4
ਉਪਰੋਕਤ ਵਿੱਚੋਂ ਇੱਕ ਤੋਂ ਵੱਧ
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