exam Maths Puzzle Numerical Ability

One leg of a right triangle is 2 inches smaller than the hypotenuse. The other leg is 5 inches long. What are the length of the unknown leg and hypotenuse?

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exam Other Question

FBI showed that for about 80% of all property crimes criminarls are never found and the case is never solved. A neighborhood reports 6 crimes, not always by the same criminals.
a) a=Square root of 7a-6