exam Maths Puzzle Numerical Ability

Use an exponent to express the area of a square whose side measures 18 cm.

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exam Other Question

The sum of the digits of a 2-digit number is 7. If 27 is added to the number, the resulting number has the same digits in the reverse order. What is the number? 3, -5, -2.4,1
0.25, -0.5, 0.2, -2
0.01, 0.1, 0, -1/10
-2.7,1/2,0.3, -7