exam Maths Puzzle Numerical Ability

2) $5000 is invested for 10 year compounds quarterly, at the end of the 10 years the amount as grown to $11,500. What is the annual interest percentage rate to the rounded to the nearest 100th?

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exam Other Question

1. let f(x)=a^x/a^x+3 then evaluate f(1/1996)+f(2/1996)+.........+f(1995/1996)
2. if a and b are the roots of x^4+x^3-1=0. How to prove that ab is the root of x^6+x^4+x^3-x^2-1=0 Consider f(x)=x^2; s(x) is f(x) shifted which way and how far, if
s(x) = (x+2)^2 -3?

a. To the left 4 units
b. to the right 2 units
c. to the left 2 units