exam Maths Puzzle Numerical Ability

A lot is in the shape of a right triangle. The shorter leg measures 120 meters. The hypotenuse is 40 meters longer than the length of the longer leg. How long is the longer leg?

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exam Other Question

Factor each of tghe following polynomials completely.

-3s^2 - 10s +8
If z= 2, then the points representing the complex numbers – 1 + 5 z will lie on
A) a straight line
B) a hyperbola
C) a parabola
D) a circle