R4 and multiply the time by 4 ie. The Mathemagicians Guide to Lightning Calculation and Amazing Math Tricks. FV PV 1r n.
FV Future Value PV Present Value r Interest Rate as a decimal value and.
Here we will discuss maths compound interest questions with solutions and formulas in detail. FV Future Value PV Present Value r Interest Rate as a decimal value and. If the rate for first second and third year is r1 r2 and r3 then. Rate of Interest 10 per annum 104.