Question

92. In the following series, what should come in place of ?
8, 10, 14.5, 22.5, 35, 53, ?
a) 36
b) 54.25
c) 65
d) 77.5​

Answer 1

Answer:-

Step-by-step explanation:

8 + 2 = 10

10 + (2 + 2.5=4.5) = 14.5

14.5 + (4.5 + 3.5=8) = 22.5

22.5 + (8 + 4.5=12.5) = 35

35 + (12.5 + 5.5=18) = 53

53 + (18 + 6.5=24.5) = 77.5

Answer 2

⚫ In the following series, what should come in place of ?

➵ 8, 10, 14.5, 22.5, 35, 53, ?

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✔ d) 77.5

Step-by-step explanation :-

$8, 10, 14.5, 22.5, 35, 53, 77.5 \\✒ \: 8 + 2 = 10 \\2 + 2.5 = 4.5 \\ ✒ \: 10 + 4.5 = 14.5 \\ 4.5 + 3.5 = 8 \\✒ \: 14.5 + 8 = 22.5 \\ 8 + 4.5 = 12.5 \\ ✒ \: 22.5 + 12.5 = 35 \\12.5 + 5.5 = 18 \\ ✒ \: 35 + 18 = 53 \\ 18 + 6.5 = 24.5 \\ ✒ \: 53 + 24.5 = 77.5$

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