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If 7Ω6 = 90 , 8Ω7 = 118 and 8Ω4 = 85, then find the value of 3Ω4.

  1. 24
  2. 12
  3. 25
  4. 30

Answer (Detailed Solution Below)

Option 4 : 30
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Detailed Solution

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The pattern followed here is,

72 + 62 = 49 + 36 = 85;  85 + 5 = 90

82 + 72 = 64 + 49 = 113; 113 + 5 = 118

82 + 42 = 64 + 16 = 80 ; 80 + 5 = 85

Similarly,

32 + 42 = 9 + 16 = 25;  25 + 5 = 30

Hence, 30 is the correct answer.
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