The ratio of compound interest of 1st year to that of 2nd year is 27 : 64. The rate of interest

The ratio of compound interest of 1st year to that of 2nd year is 27 : 64. The rate of interest for three years is in the ratio 1 : 2 : 4. Then find the ratio of the compound interest of 3rd year to that Of 2nd year?
(a) 2:1 (b) 37:9 (c) 75:29 (d) 74:27
1 वर्ष के चक्रवृद्धि ब्याज ,दूसरे वर्ष के चक्रवृद्धि ब्याज का अनुपात 27 : 64 है । तीन के लिए ब्याज दर 1:2:4 के अनुपात में है, तो दूसरे वर्ष के चक्रवृद्धि ब्याज से दूसरे वर्ष के चक्रवृद्धि ब्याज का अनुपात ज्ञात कीजिए
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