The ratio between the present ages of P and Q is 5 : 7 respectively. If the difference between Q's present age and P's age afler 6 years is 2, what is the total of P's and Q's present ages?
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An angle is divided into the two parts α and β such that tan α = 1/2 and tan β = 2. The measure of the angle is
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1 docs|65 tests
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