Question
If x : y = 3 : 4, then (7x – 4y) : (3x + 2y) =
?Solution
x: y = 3 : 4, then (7x – 4y) : (3x + 2y) x=3, y=4 = (7×3 – 4×4) : (3×3 + 2×4) = 5 : 17
A number gives a remainder 34 when divided by 391. What remainder will it leave when divided by 17?
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