exam Maths Puzzle Numerical Ability

A circular pond 26 yd in diameter is surrounded by a gravel path 2 yd wide. The path is to be replaced by a brick walk costing $50 per square yard. How much will the walk cost?

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exam Other Question

Charlie opened a savings account as a child. He opened the account with only one deposit. At the end of the tenth year, there was $300 in the account and, at the end of the 15th y solve the following equation

5/x+2=4/x-3