exam Maths Puzzle Numerical Ability

amaqn born on the first half of the 19th century will be x years old in x to the power 2AD.find his year of birth.

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exam Other Question

10) Two angles are complementary if their sum is 90e. If the measure of the first angle is xe, and the measure of the second angle is (3x - 2)e, find the measure of each angle.
A)
One number is 25% of another. The larger number is 12 more than the smaller. Both numbers are positive. What are the numbers?