consumer arithmetic for web s3

7/30/2019 Consumer Arithmetic for Web s3

1/21

1)35.18.5 Dh

2)48Dh 731.5.

3):(Paid)Dh 16.0535.Dh15.7538

4)(::=52.178)

a)Dh 43000b)Dh38950c)Dh 58200

5):Dh 550002165.6Dh

6):Dh 20.153539400Dh

Al tamayoz school

2013/2012:Al TamyZ School

Mathematic Department Grade : 9/Earning and Spending:Consumer Arithmetic

P :13


2/21

7)23%(commission):

Dh 300 ( b) Dh 743 (c) Dh1658(a)

8)Dh 1407%:

Dh800 b) Dh 3500 c) Dh 5213(a

=

=

9)Dh 30010 %Dh5000:

Dh3400 b) Dh 5700 c) Dh 8424(a

10)(casual basis)Dh16.60.3:30Pm5:30 PmDh20.858:30am1:00pm


3/21

1)9.60355.

2)12.703742

3)18.107:

()6.

()9.

()8.

()11.

Pg : 17


4/21

4)22.4035:

()30.

()37.

()41.5.

()45.5.

5)8320.40

.

(6)17.6023.20

7

e


5/21

(7)17.5%4:

()40004.

()822.

()495.

()08.9135.

(8)417.5%4427

(9)3517.60

17.5%4.

(10)9600080%

.

b


6/21

(11)564002110001.2%

(12)22.803.6538

16.

(13)15.95

95365.

(14)17.5%436

4: ()2350( .)2162.

f

g

h


7/21

(15)36417.5%4

(52. )

(16)

f


8/21

1)137

2)85.14%1.65

3)1210.20))

4):2502.50111

8007.65

Pg: 21


9/21

5)60.50

6)()100

7)

CostNopriceitem

3Dh 2.45Packets of tea

2Dh 2.10Mixed vegetablesbottle of tomato

packets of instant

tins of

mushrooms

tins of sardinestins of cat foodtub of ice-cream40.80beans

100


10/21

1)

2)

3)730

()10038.30

()10029.603

()10025.204

()10022.605

Pg :25

1290.9074

610601.602023.304


11/21

4)

5)

6)

7)

8)Apply the following successivediscounts to the given prices

7%85

240320

21.7065%.

()20%10%100.

:

b 15% , 25% ,from Dh 720a 10% , 10% , from Dh 500

c 5% , 20% ,from Dh 260d 7.5 % , 17.5 % ,from Dh 2230


12/21

) 9

)

)(interest)

)

45%32

1010%585

1112%50

12

85000.(deposit)1002000


13/21

Pg:

( 1 ) Find the simple interest charged for a loan of:

a Dh 620 at 18% pa for 4 years

( 2 ) Find the simple interest earned on:a Dh 98 at 64% pa for 5 year


a Dh 2000 for 3 months at 11% per month

( 4 ) Find the simple interest on:

a Dh 6200 at 12% pa for 6 months

( 5 ) Find the simple interest (to the nearest fils) earned on:

a Dh 490 for 76 days at 16% pa b Dh 1096 for 207 days at 26% pa

26018%4.

986.4%5.

20001.1%3

620012%6.

:()490761%( .)109620726%.

I R T P

I = P R T


14/21


b Dh 4500 at 26% pa for 5 years

c Dh 15.60 at 15% pa for 3 years

( 2 ) Find the simple interest earned on:

b Dh 9500 at 72% pa for 3 years

h Dh 140 at 10 % pa for 14 years


c Dh 96 for 7 months at 09% per month

450026%5.

15.6015%3.

95007.2%3.

1407.2%14.

960.9%.


15/21

d Dh20 000 at 7% pa for 11 months

i Dh 1848 for 5 months at 14% pa

( 5 ) Find the simple interest (to the nearest fils) earned on:

e Dh 6000 for 40 days at 10 % pa

f Dh 50 000 for 30 days at 6 % pa

18487%5.

:()60004010%.

:()50000306%.

200007%11.


16/21

,

( 1 ) a Jumah borrowed Dh 4695 at 8 % pa simple interest for 5

years so that he could buy a Toyota sedan . At the end of the 5 years, both interest and loan had been paid :

i : How much interest was charged ?

ii : How much was paid back altogether .

(0)46958%5.

.1:2:

.

( 1 ) b sayidd borrowed Dh 4000 from Mirah tobe repaid after 3 years along with 9 % pa simpleinterest .How much will Mirah received after 3 years .

(0)400039%.

3.

( 1 ) c Najat invested Dh 8400 in the credit union for 11 months

at 1.2 % per month simple interest . How much interest did she earn

?

(0)8400111.2%.

I = P R TP

I

R= T

R

I

P

=T

( 2 ) a Each year 350 people are allowed to join a club .Of thesean average of 46 % are women . How many women would you

expect to join the club in 4 years .

(2)350.46%.

4.

Pg36


17/21

( 6 ) a Find the simple interest rate ( to the nearst percent ) .

Which will allow Dh 2500 to earn Dh 675 interest in 3 years .(6)

25003675.

( 6 ) b What sum of money would you have to invest for 5 years

at 11 % simple interest to produce interest at Dh 3080 ?(6)5

11%3080.

( 6 ) c For how many years would Dh 8000 have to be invested

at 11.5 % simple interest to produce Dh 5520 interest ?(6)8000

11.5%5520.

(7)100008%5000.

(8)300048000.

(9)200003%3

1:

2:.

(10)2000035007

1:

2:.


18/21

Al Tamayoz School20133:05 | Compound Interest and Depreciation Formulae

/:

:A = P (1 + r) n

. A. P

. n. r

:A = P (1

-r) n

. A. P. n

. r

40005%12.

3000%812..

4005%12.

1000%168%11

%15187008


19/21

476.56%5.5.

35000%254.

2874205.7%.

2010:(% )9(% )18(% )15

3000015%8.

3500010%6.


20/21

No.of

time

periods 05% 1 % 5 % 6 % 7 % 8 % 10 % 12 % 15 %

1 10050 1.0100 1.0500 1.0600 1.0700 1.0800 1.1000 1.1200 1.1500

2 1.0100 1.0201 1.1025 1.1236 1.1449 1.1664 1.2100 1.2544 1.3225

3 1.0151 1.0303 1.1576 1.1910 1.2250 1.2597 1.3310 1.4049 1.5209

4 1.0202 1.0406 1.2155 1.2625 1.3108 1.3605 1.4641 1.5735 1.7490

5 1.0253 1.0510 1.2763 1.3382 1.4026 1.4693 1.6105 1.7623 2.0114

6 1.0304 1.0615 1.3401 1.4185 1.5007 1.5869 1.7716 1.9738 2.3131

7 1.0355 1.0721 1.4071 1.5036 1.6058 1.7138 1.9487 2.2107 2.6600

8 1.0407 1.0829 1.4775 1.5938 1.7182 1.8509 2.1436 2.4760 3.0590

:

..

..

..

.

.

.

155000.5%

6

4000010%4

175006%60

8000012%6

8000010%7

8000012%8


21/21

10005%12( :)()6()3()()

10000%910000%9( :)( .)5.

()10.

136000%14

%83: ()30000( .)4.5.

% :56%7%8%600048263.

12%20007

176009%8

consumer arithmetic for web s3

Documents