1) Find the simple interest : principal $5000, interest rate 2%, time 6 months a) $50 b) $100 c) $600 d) $60000 2) Calculate the percent increase or decrease : From $990 to $396 a) Increase 60% b) Increase 150% c) Decrease 60% d) Decrease 150% 3) Find the price of $270 phone after get 30% discount a) $810 b) $81 c) $1890 d) $189 4) Calculate the percent increase or decrease : From $286 to $429 a) Decrease 50% b) Decrease 33,3% c) Increase 50% d) Increase 33,3% 5) Jenny borrows money $750 with interest rate 2%. How much money she has to pay back after 10 years? a) $2250 b) $900 c) $150 d) $1500 6) Find the price of $300 TV after get 15% discount a) $45 b) $225 c) $255 d) $450 7) Find the simple interest : principal $1000, interest rate 5%, time 9 months a) $37.5 b) $375 c) $450 d) $45000 8) Calculate the percentage profit or loss, if : cost price is $200 and sell price is $250 a) Loss 25% b) Loss 50% c) Profit 25% d) Profit 50% 9) Calculate the percentage profit or loss, if : cost price is $500 and sell price is $250 a) Loss 25% b) Loss 50% c) Profit 25% d) Profit 50%

Social arithmetic

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