Уроки математики и физики (RU + UA)

воскресенье, 1 января 2017 г.

Test 1. Compound interest-type problems

 1. £5000 is invested at 10% per annum (year) compound interest. How much money will there be after 2 years?

 а)  £6050;      b£6070;     
 c£6120;      d£6055.

 2. Ben invests £6000 in bank at 5% per annum compound interest. How much money will he have in the bank after 2 years?

 а£6625;      b)  £6615;     
 c£6515;      d£6660.

 3. A bank pays 6% per annum compound interest. How much will the following people have in the bank after the number of years stated?
Kim: £9000 after 2 years.

 а£10,714.16;     
 b£10,714.10;     
 c£10,718.14;     
 d)  £10,714.14.

 4. A bank pays 6% per annum compound interest. How much will the following people have in the bank after the number of years stated?
Freddie: £4000 after 3 years.

 а) £4766.66 ;     
 b£4764.60;     
 c)  £4764.06;     
 d£4764.08.

 5. A bank pays 6% per annum compound interest. How much will the following people have in the bank after the number of years stated?
Les: £2500 after 2 years.

 а£2819;      b)  £2809;     
 c£2812;      d£2803.

 6. A bank pays 6% per annum compound interest. How much will the following people have in the bank after the number of years stated?
Olive: £600 after 2 years.

 а)  £674.16;     
 b£676.18;     
 c£672.12;     
 d£664.96.

 7. A stereo loses 30% of its value every year. Tim bought it for £800. How much would it be worth after 2 years?

 а£398;      b£382;     
 c)  £392;      d£390.

 8. A stereo loses 30% of its value every year. Tim bought it for £800. How much would it be worth after 3 years?

 а)  £274.40;      b£274.60;     
 c£278.45;      d£276.60.

 9. The number of fish in a lake is decreasing by 5% each year. There are 10000 fish in the lake at the start of 2005. How many fish are there in the lake at the end of 2005?

 а)  9520;      b)  9500;     
 c)  9480;      d)  9550.

10. The number of fish in a lake is decreasing by 5% each year. There are 10000 fish in the lake at the start of 2005. How many fish are there in the lake at the end of 2006?

 а)  9015;      b)  9020;     
 c)  9025;      d)  9055.

11. Inflation is how much more expensive things in the shop get each year. Inflation is about 3%. If a pair of shoes costs £50, how much will the pair of shoes cost after 2 years?

 а£52.05;      b£53.20;     
 c£53.15;      d)  £53.05.

12. Inflation is how much more expensive things in the shop get each year. Inflation is about 3%. If a pair of shoes costs £50, how much will the pair of shoes cost after 3 years?

 а£54.44;      b)  £54.64;     
 c£54.68;      d£54.60.

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