exam Maths Puzzle Numerical Ability

the design below grows each day as shown. if it continues to grow like this, how many tiles will there be in the design on the tenth day? on the fitieth day?

day 1
1 tile

day 2
4 tiles

day 3
9 tiles

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exam Other Question

A rectangle has sides of 5x-12 and 5x+12. What is the area of the rectangle? In side the rectangle two squares with sides of x and x are to be removed. What is the remaining area of the rectangle? solve each absolute value equation or inequality ANALYTICALLY using a distance statement report your solution using equality or inequality notation.

a. (w and 10 are in absolut