Exam Maths Puzzle General Mental Ability

The formula N = 4xsq. +5x +2 represents the number of households N, in thousands, in a certain city that have a computer X years after 1990. a0 According to the formula in what year w

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Exam Other Question

Ann Watson has $100,000 that she can deposit in any of three savings accounts for a 3-year period. Bank A compounds interest on an annual basis, bank B compounds interest twice each year, and bank C compounds interest each quarter. All three banks have a stated annual interest rate of 4 percent.

a) What amount would Ms. Watson have at the end of the third year-including interest?

b) What effective interest rate would she earn at each bank?

c) On the basis of your finding in a and b, which bank should Ms. Watson deal with? Why?
If 1232 is 110% value, then how to know 100% value?