If 7*7 = 140, 6*1 = 70 and 3*5 = 80, then find the value of 4*4 = ?A60B80C10D40Answer: B. 80 Read Explanation: The logic followed is:7*7 = (7+7)×10=140(7 + 7)\times{10} = 140(7+7)×10=1406*1 = (6 + 1)×10=70\times{10} = 70×10=703*5 = (3 + 5)×10=80\times{10} = 80×10=80Similarly,4*4 = (4 + 4)×10=80\times{10} = 80×10=80Hence, the correct answer is 80. Read more in App