exam Maths Puzzle Numerical Ability

During a clothing sale, 1/4 of the store merchandise is reduced in price, Find the probability that 3 of 5 randomly-selected shirts have reduced prices.

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exam Other Question

The length of a rectangle is 5 in. more than its width. Its area is 75 sq. in. what is the length and width of the rectangle? At the beginning of the day, the cash register contains $150. At the end of the day, it contains $1114.80. If the sales tax rate is 7.2%, how much of the total is sales tax?