Maths Olympiad Exam Numerical Ability

the harmonic mean between two numbers is 48/5 and geometric mean is 12 the two numbers is

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Maths Olympiad Other Question

there is a sequence of numbers such that they are in GP and sum to infinite of number of terms of the sequence is 15 and the sum of their squares is 45 find the first term of the sequence for any two numbers the ratio of HM:GM is 12:13 then the ratio of two numbers is