exam
Maths Puzzle
Numerical Ability
Divide and simplify.
a^2/a^15
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exam Other Question
A TOTAL OF 27,000 IS INVESTED , PART OF IT AT 12% PART OF IT AT 13%. THE TOTAL INTEREST AFTER A YEAR IS 3,385 . HOW MUCH WAS INVESTED AT EACH RATE?
Let f(x)=1-2x and find
a) f^-1 (x) and b) 1/f(x)