exam Maths Puzzle Numerical Ability

When 2 is subtracted from the numerator and 1 is added to the denominator of a positive fraction the result is 5. Find the fraction given that it lies between 7 and 8.

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exam Other Question

could you help me out with this one: log(base 1/2)x + 16log(base x)2 = 1 Data regarding the value of a particular color copier is represented in the graph. Find the rate of change of the value with respect to time,

(1, 3) and (3, 1)