exam Maths Puzzle Numerical Ability

2-7c-1 = 3c- 19c+3
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exam Other Question

April, Mae, june and Julie were born in consecutive years, in that order, with april being the oldest. All they will tell you is that the sum of the squares of their ages is 534. How old are they? How many pairs of positive integers (a,b) satisfy 1/a + 1/b = 1/2004?