Mathematics in Practical Situations

The exchange rate between Malaysian ringgit (MYR) and Singapore dollars (SGD) was 1 SGD to 3.4 MYR.

Convert 500 SGD to MYR.

• 15.70 MYR

• 1570 MYR

• 147 MYR

• 1470 MYR

The exchange rate between Australian dollars (AUD) and Singapore dollars (SGD) was 1 AUD = 0.97 SGD. I bought a pair of earrings for 450 AUD.

How much is does the earring cost in SGD?

• 463 SGD

• 463.90 SGD

• 436.50 SGD

• 43.70 SGD

What does 'R' in the formula for simple interest represents?

• RATE

• INTEREST

• TOTAL

• TIME

What is 0.5% equal to?

• 0.05

• 0.005

• 5

• 50

What is 1.8 in percentage?

• 1.8%

• 18%

• 180%

• 100%

Calculate 12% of $1500.

• $18

• $180

• $120

• $1800

Ahmed invested $25 000 in Bank X. Bank offered a simple interest of 2.9% for 2 years.

Calculate the interest he earns at the end of 2 years.

• $1450

• $14 500

• $26 450

A bank offers a simple interest of 3% per annum. A customer receives a monthly interest of $60 for a year.

Calculate his principal deposited in the bank.

• $2000

• $2400

• $24 000

A Prism TV cost $3250. Mr Lee paid a 10% deposit followed by 10 monthly instalments.

How much is the total instalments?

• $325

• $2925

• $29.25

A Prism TV cost $3250. Mr Lee paid a 10% deposit followed by 10 monthly instalments.

How much is the monthly instalment?

• $325

• $2925

• $29.25