exam Maths Puzzle Numerical Ability

The gym is 21 years newer than the auditorium. The gym is also one fourth as old as the auditorium. How old is each building?

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exam Other Question

1.the ages inyears of three sisters are consecutive.The sum of their ages is 39 decreased by the age of the youngest.What are their ages?

2.Russels age is 3/4 of his brothers ag The question is: Find the missing angle measure, when the radius is 6 and the arc length is 3pi/2