book Maths Puzzle Numerical Ability

WHAT IS THE AREA AND SURFACE AREA?

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I have three questions:
#1)How do you turn percentages into fractions and vice-versa?
#2)How do you change 9 1/4% into a reduced fraction? Is it just 9 1/4?
#3)How do you cha The sum of 2 consecutive odd intergers is 1472. How do I figure what 2 odd intergers it is.