book Maths Puzzle Numerical Ability

2 consecutive 4 digit number that has a sum of 9137.

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book Other Question

Determine the equation of the line passing through the point (1,4) and
having a slope of 2. Express your equation in the form of Ax + By = C.
Arrange the equation such that "A"
Simplify as simple fraction with all exponents positive:
(x^-3*y^-2*z^-3)-(y^-1*z^-3)/(3*x)-(x^2*y)