9841

- 848

8993

1 = 1 x 1 = 1

3 3 3 9

= 0.1111

906.78

+52.947

959.727

95.300

X 5.610

534.633

= 72/0.3

= 233

1

1

=1

1 div 8x

1

8x

Devi = x, Shanti = 2x

When Devi = 2x

Then =2x + x

=3x

S = D/T

T = D/S

T = 10/vh

2(3a 6a +2 +4a +4)

2(a+6)

2a + 12

N = x

D = x +2

X + 3 = x + 3

(x + 2) +3 x + 2 20

Let x be 3

3 + 3 = 3 + 3

(3 + 2) +3 3 + 2 20

6 = 3 + 3

8 5 20

3 = 15

4 20

10 x 81

72 6

5x x = 12 +4

4x = 16

X = 4

10x + 2 = 32

10x = 32-2

10x = 30

X = 3

12 : 72

1 : 6

180 x 6 = 1080

4 pax 2 cars in 3 hrs

4 x 3 = 12 hrs + 2 cars

= 6 hrs for 1 car

3 pax 6 cars = 6 hrs x 6 cars

= 36 div 3

= 12

2x + 3y = 6.80 ------- (1)

5x + 7y = 16.10 ----- (2)

.(1) x 2 4x + 6y = 13.60 --- (3)

.(2) (3) x + y = 16.10 13.60

= 2.50

24 = 30 x x

100

X = 24 x 100

30

S = D/T

T = D/S

T = (15 / 50) x 60

T = 18

Average = Total / 6

50 = Total / 6

Total = 50 x 6

= 300

Average = Total / 7

55 = Total / 7

Total = 55 x 7

= 385

385 300

= 85

100% - 20% = 80%

= 80% x 300

= 0.8 x 300

= 240

20 x 3 = 5

3 8 2

60 = 5

24 2

39 = 39

15000 x

X = 39 x 15000

39

15 div 12

5

15 x 5

12

75

12

1 + 3 x 1 - 7

6 8 2 8

1 + 3 - 7

6 16 8

8 + 9 - 42

48

= 2916 div 9

= 324

Vol = rh

= (0.05 x0.0 5) h

= x 0.0025 x 10

= 0.025m

Anything to the power of zero is 1

Anything to the power of zero is 1

y = 5 b = 3

x 7 4

= 5 b = 3

3

5 b = 3 x 3

- b = -5 + 9

- b = 4

.b = -4

h

.b1 (x)

.b2 (3x)

Area = x + 3x x 3

2

= 4x x 3

2

= 6x cm

Area of trapezium

= 1 ( b1 + b2 ) h

2

X = 8 x 10

X = 80

1 day = 2500

5 day = 5 x 2500

= 12500

4 weeks = 12500 x 4

= 50 000

= 2501 700.40

= 1800.60

= 1800.60 div 3

= $600.20

Ten thou thousand hundred ten one

7 8, 2 9 6

0.039 = 39

15 x

0.039 x 1000 = 39

15 x 1000 x

1x

1x

3x

3x

8x = 64

. x = 64 div 8

. x = 8

Length = 3 x 8

= 24

Breath = 1 x 8

= 8

Area = L x B

= 24 x 8

= 192

Swimming Pool

= $400 $320

= $80

Saving Spending

$80 $320

= 1 : 4

= 80 x 2

1 5

= 160 div 5

= $32

0.06

= 0.06 x 0.06

= 0.0036

16:15

-9:25

6:50

125ml = 0.125 liter

= 750 div 0.125

= 6000

60 x 100

320

= 18.76%

11.2

0.11

+ 8.1

19.41

= 10 + (-4) x 2 + 4 div 2

= 10 4 x 2 + 4 div 2

= 10 4 X 2 + 2

= 10 8 + 2

BIDMAS

BIDMAS

= 12 8

= 4

Nearest Ans is 8

= (2p - 4p) (p + 2p)

= 2p - 4p - p - 2p

= 2p - p - 4p 2p

= p - 6p or p(p-6)

Vol of Cyclinder = Area x height

= r x h

= (2 x 2) x 10

= 4 x 10

= 40m

(10 , 20)

( x , y )

.y = 5x + C

20 = 5x10 + C

20 50 = C

C = 20 50

C = - 30

51.01

.x 0.31

15.5131

1 x 51 = 51

3 x 17 = 51

17 x 3 = 51

Therefore prime factor of 51 are 1, 3 and 17

90 x 100

450

= 20%

1863

- 787

1076

10.32

10.40

+ 10.10

30.82

= 30.82 div 3

= 10.27

300 packs = $300 (buy)

1 pack = 300 div 300

1 pack = $1.00

1 pack = $2.00 (sell)

300 packs = 2 x 300

= $600

Profit = $600 - $300

= $300

= 300 x 100

300

= 100%

Nearest Ans is 60.00%

= 2 x 150

3

= 2 x 50

= 100 tonnes

EXAM QUESTION

1 gallon = 4.5 litres

5 gallons = 4.5 x 5

= 22.5 litres

Vol of Cyclinder = Area x height

= r x h

= (0.5 x 0.5) x 10

= 0.25 x 10

= 2.5

= 2.5m

10.325

0.821

+ 6.510

17.656

56.32

x 0.62

34.918

74

100

37

50

21

24

+ 27

72

= 72 div 3

= 24

1 x 20 = 20

2 x 10 = 20

4 x 5 = 20

5 x 4 = 20

10 x 2 = 20

20 x 1 = 20

Therefore prime factor of 20 are

1, 2, 4. 5, and 10

30 x 450

100

= 3 x 45

= 135

2.2kg = 1 lb

? kg = 15 lb

=2.2 x 15

= 33 kg

Length : Width

5 : 2

? : 6

5 x 6

2

30

2

= 15

1 bar = 14.5 psi

5 bar = 14.5 x 5

= 72.5 bar

= 5 ( - 3) x 2 + 4 div 2

= 5 + 3 x 2 + 2

= 5 + 6 + 2

= 13

( - 5 x -5 x -5 ) + 5 x 5

5

-125 + 25

5

-100

5

= - 20

16 + (6 x 6) (3 x 3)

2 x 2 x 2 x 2

2 x 2 x 2 x 2 + 36 - 9

16

2 + 36 9

16

29

16

= - 2x + (2 ( 2x 1 ) 5)

= - 2x + 4x 2 5

= 2x -7

= 180 56 32

= 92

Area of Big circle

= r

= 7cm x 7cm

= 49cm

Area of Shaded area

= r

= 3.5cm x 3.5cm

= 12.25cm

Area of Unshaded area

= 49cm 12.25cm

= 36.75 cm

But the nearest Ans is

12.75m

y = 12 2

x 5 1

= 10

4

= 2.5

3 x 2 x 5

4 3 8

5

16

.( +, + )

.( -, + )

.( -, - )

.( +, - )

.x

.y

.( x, y )

.( x, y )

625 div 5

1000 div 5

125 div 5

200 div 5

25 div 5

40 div 5

5

8

35

56

= 56 -35

= 21 (can div by 7)

35 div 7

56 div 7

5

8

7 - 5

8 6

42 - 40

48

2

48

1

24

2 8 , 6

2 4 , 3

2 2 , 3

2 1 , 3

3 1 , 1

= 2 x 2 x 2 x 2 x 3

= 48

216

6 x 6 x 6

= 6

15 x 0.48

100

7.2

100

= 0.072

4(2x 12) = 12

8x 48 = 12

8x = 12 + 48

8x = 60

X = 60 div by 8

= 7.5

32 = 40 x ?

1 100

? = 32 x 100

40

? = 320

4

? = 80 km/h

25 raised to the third power

= 5

= 5 x 5 x 5

= 125

45 div 5

60 div 5

9 div 3

12 div 3

3 x 100

4

75

= 13.75

10 feet = 120 inches

= 120 : 30

= 4 : 1

39

65

= 65 39

= 26 (can be div by 13)

39 div 13

65 div 13

3

5

24.936

3

4

4

3

4

4

EXAM QUESTION

EXAM QUESTION

a - b

a - b

= 1

IMPORTANT IMFORMATION

3364

= 58