If 117 " 78 = 13 and 192 " 9 = 61, then what is the value of 114 " 12?
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Correct answer: A
Explanation
Just as
117 ÷ 78 = 13
117 − 78 = 39
39 ÷ 3 = 13
and
192 ÷ 9 = 61
192 − 9 = 183
183 ÷ 3 = 61
similarly
114 ÷ 12
114 − 12 = 102
102 ÷ 3 = 34