low interest rates

The temperature should be remain as low as possible, (although at unusually low temperatures, the rate of reaction becomes slow). It has been found that the temperature, which optimizes the yield of ammonia for the reaction, is maximum at about 500..

Find the simple interest received by John, if he deposits $440 for a period of 3 years at an interest rate of 5%. => $67 or $65 or $68 or $66..

Find the simple interest on a principal of $430 for a period of 3 years at an interest rate of 3%. => $37.70 or $40.70 or $39.70 or $38.70..

Joe invested $7,400, part at an annual interest rate of 4% and the rest at 5%. He received a total annual interest of $350. How much did he invest at each rate? => $3,000, $7,435 or $4,050, $7,420 or $2,000, $5,400 or $3,025, $7,460..

Find the simple interest for 4 years at a rate of 2% on $4500. => $465 or $285 or $420 or $360..

Matt borrows $6000 and clears his debt by paying $7000 after 4 months. Find the rate of interest charged per annum. The problem can be solved by ________. => Using a matrix or Using a rational equation or Applying a formula or None of the above..

Jim deposits $300 in a savings account at an interest rate of 2% per year. Find the interest earned in 4 months. => $20 or $2 or $4 or $5..

An amount becomes $1500 in 3 years and $6000 in 4 years on compound interest. Find the rate of interest. => 4% or 3% or 2% or 5%..

Victor borrows $2700 from his friend to buy a car. The annual interest rate is 9.5%. How much interest should he pay his friend after one year? => $27 or $356.50 or $266.50 or $256.50..

Andrew invested $1800 in two parts, one at 14% interest and the other at 8% interest. His total income in one year was $240. How much did he invest at each rate? => 960, 1920 or 1600, 200 or 1550, 250 or 685.71, 200..