book
Maths Puzzle
Numerical Ability
(x+4)/(x^2+x-20) - (x+5)/(x^2-16)
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book Other Question
1. find the total area of the outside surface of a rectangular solid 2.5 m long 1.7m wide and 2m high.
2.find the volume of a rectangle solid 6.9 m long 1.8 m wide and 4.7 m high
Solve inequalities:
a) {{{x^3<8}}}
b) {{{x^3-x^2-9x+9>0}}}
c) {{{(2x^2-3x+1)/(x+1)>0}}}