Question
The figure shows the mass of 3 objects, P, Q and R. R has a mass of 1.4 kg. The ratio of the mass of P to the mass of Q is 3 : 1. What is the mass of Q? Express your answer in kg.
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The figure shows the mass of 3 objects, P, Q and R. R has a mass of 1.4 kg. The ratio of the mass of P to the mass of Q is 3 : 1. What is the mass of Q? Express your answer in kg.