book Maths Puzzle Numerical Ability

Find the prime factorization of 93.

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book Other Question

1. x^2 +2x-3/x^-x-12=x-5

2.3x/x-2 + 2x^2/x^2+5x+6 =4/x+3

3.x-3/x+2>=-4 x minus three divided by x plus 2 is greater than or equall to negative four

4.x<=6/x -5 x is less t
Either perform the indicated operation or solve the equation, whichever is appropriate.

4/a^2-1 + 1/2a + 2