Question
Q, R, S, T, U and V are 2-digit numbers. If Q is 15, R is the third multiple of Q, S is the third multiple of 12, T is the volume of a cube with length of 3 units, and V is the 6th multiple of 12, U is the first 2-digit of the 4-digit number. What is U?


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Q, R, S, T, U and V are 2-digit numbers. If Q is 15, R is the third multiple of Q, S is the third multiple of 12, T is the volume of a cube with length of 3 units, and V is the 6th multiple of 12, U is the first 2-digit of the 4-digit number. What is U?