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If p and q are positive integers, each greater than 1, and if 21(p+1)=29 (q+1), what is the least possible value of (p+q)?

If p and q are positive integers, each greater than 1, and if 21(p+1)=29 (q+1), what is the least possible value of (p+q)? Correct Answer 48

In the case where loss and gain percentage is common on same selling price, always a loss incurs in total deal. And this can be calculated by a short - cut: Loss on total deal, = (Common loss or gain percentage/10)^2 = (10/10)^2 = 1%

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