book Maths Puzzle Numerical Ability

Numerator of a fraction is 4 less than its denominator. if 1 is added to both sides, its numerator and denomirator becomes 1/2. Find the fraction.Sir it is a question from my linear equation with one variable chapter.Kindly help me.

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book Other Question

Eight cards are selected with replacment from a standard pack of 52 playing cards, with 12 picture cards, 20 odd cards and 20 even cards. How many sequences of 8 are possible, that include 3 picture cards, 3 odd cards and 2 even cards, A line passing through (9,8) and (7,y) is parallel to a line with slope -1. What is the value of y?

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