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If 35 + 125 = 17.88, then what will be the value of 80 + 65 ?

/ Aptitude, Square Root And Cube Root / By
Question:
If 35 + 125 = 17.88, then what will be the value of 80 + 65 ?
[A].

13.41

[B].

20.46

[C].

21.66

[D].

22.35

Answer: Option D

Explanation:

35 + 125 = 17.88

35 + 25 x 5 = 17.88

35 + 55 = 17.88

85 = 17.88

5 = 2.235

80 + 65 = 16 x 5 + 65

   = 45 + 65

   = 105 = (10 x 2.235) = 22.35