Given: 54, 58.7, 64.4, 71.1, 78.8, ?
Logic: The difference between consecutive terms is increasing by 0.7 each time:
58.7 - 54 = 4.7
64.4 - 58.7 = 5.7
71.1 - 64.4 = 6.7
78.8 - 71.1 = 7.7
The next difference will be 8.7:
? = 78.8 + 8.7 = 87.5
Final Answer: (b) 87.5
English
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