General Mathematics Answers Available Now!!!

By 03:00 Wed, 10 Jun 2015 Comments


Thursday 11th June Paper III: Objective –

General

Mathematics – 10:00am – 11:45am

Paper II: Essay – General

Mathematics – 12:00noon – 2:30pm

=========================================

Maths OBJ Type A

1- 10: DEDEDADBDA

11- 20: BBDADCDACC

21- 30: BBCCAEBABA

31- 40: AADEDDBABC

41- 50: CCADEDECCA

51- 60: DBEBDABAAD

Maths TYPE B

1-10: CABBAEBACC

11-20: AEBCDAEDDB

21-30: DEBDBEDEDC

31-40: BBBABBABED

41-50: ECDEBBDBBC

51-60: ADADCECAED

Maths TYPE C

1-10: BEBDAEDEDA

11-20: EDAEBBDBAB

21-30: ADADDCABEA

31-40: AABBCAEDDB

41-50: DBDBABBBCC

51-60: BBBAEBABEE

Maths Type D

1-10: ABADCEBAED

11-20: BBBAEBABEE

21-30: AEBCDAEDDB

31-40: DCDEBCBCDB

41-50: BEBDBEDEDA

51-60: CABBEEBABC

1. D - 3 3/ 10

2. A - 1 year

3. D - 1 + (2 )^

4. A - - 12288

5. D - #27500

6. C - ( anc )uB '

7. D - 5

8. A - x > equal 21

9. D - m=10 , n = 12

10.A - 41. 4deg

11.B - (4 - 3 1 ) ( -1 7 4 ) (7 - 4 -2 )

12.B - 46-

13.D - 15km

14.A - 66. 4dgr

15.D - 1 /3

16.C - 9

17.D - 33 1/ 3

18.A - # 20000

19.C - 2sqrt 2m

21 sqrt 3m

20.C - 4 .2

21.B - 3

22.B - 6

23.C - 3

24. D - 4 sqrt 3

25. A- 41 deg

26. E- v = fu/u -f

27.B - 47.1 cm

28. A- 1 + sqrt 10/ 3

29. B- II and III only

30. A- (0 , 2 1/ 4 )

31. E- 3 x +4 y > equal 9

32. A (n -3 ) (n +27 )

33. D - 2

34. C- 6

35. C- y less or equal to -3 or y less or equal to 4

36. A- - 5 X ≤ 1 4/ 9

=========================================

5a )

3/ X + 2 - 6 /3 X - 1

3( 3 X - 1) - 6 (X + 2 )/ ( X + 2) ( 3 X - 1)

9X - 3 - 6 X - 12/ (X + 2 )( 3 X - 1)

3X - 15 /( X+ 2 )( 3X - 1 )

5b )

C .I= P [1 + r/ 100 ]^

=25000 [1 +12 /100 ]^ 3

=25000 [1 +0 .12 ]^ 3

=25000 * 1 .4049

=35122 .50

=N 35 ,122 .50

=========================================

6a )

X +- 3 /2

X =2 /3 or X =2

(X + 3 /2 )^ 2 or ( X - 2)

(X + 3 /2 ) (X - 2 )

X (X - 2 ) + 3/ 2 (X - 2 )

X ^2 - 2 X + 3 X /2 - 3

2X ^ 2 - 4X + 3 X - 6

2X ^ 2 - X - 6

6b )

h/ h +8 = 6 / 10

10h = 6 h + 48

h = 12

H = h + 8

H = 12 + 8

H = 20

Volume = 1 /3 A .h

= 1/ 3 (10 *10 ) * 20 - 432 /3

= 200 /3 - 432 / 3

=1568 / 3

=522 . 67cm 3

=========================================

7a )

titan/ 360 ×2 pie r cos t

d= 55/ 360 × 2× 22/ 7 ×640 cos 4

d= 55× 44× 6400 cos 4 / 2520

d= 55× 44× 6400 ×0496 / 2520

d= 15, 449 .28/ 2520

d= 6130 .67

d~ 6130 km .

ii) distance along gent circle

D =tita / 360 ×2 pie r

D =55 /360 × 2 /7 ×22 /7 × 6400/ 1

D =55 ×44 ×6400 /2520

D =15 ,488 × 6400/ 2520

D =6144 .03

D =~6146 km.

7b )

Length of sector tita/ 360 × 2pie r

L= 120 / 360 ×2 / 1× 22/ 7× 42/ 1

L= 120 × 44× 42/ 2520

L= 221760 / 2520

L= 88cm

L= 2 pie r

Where r is the radius of circumference

88= 2× 22/ 7 ×r

88× 7= 44r

R =88 ×7 /44

R =616 / 44

R =14 cm.

Curved surface area

= pie rc

A =22 /7 ×14 ×42 /1

A =22 ×14 ×4 ^2 / 7

A =12936/ 7

A =1848 cm ^2 .

=========================================

8a )

X =60 /t -- - -- -- - -- >( i)

Y =180 / t - - -- -- - -- -> ( ii)

T 1= 60/ X

T 2= 100 /Y

T 1+ T 2= 5

60/ X+ 180 / Y = 300 - -- -- - -- -- > (i)

180 /X + 60 /Y = 260 -- -- - -- -- - >( ii)

Let P = 1/ X

2 = 1/ Y

60p + 180 Q = 300

180 p + 6Q = 200

P + 3 Q =5

9P + 3Q = 13

Substract ( i)from (ii )

8p = 8

P = 8 /8 ÷ P = 1

Subtract P into (i )

P + 3 Q =5

1 + 3Q =5

3Q =5 - 1

3Q =4

Q = 4 /3

P = 1 ÷ 1 = 1 /X ÷ X = 1

4/ 3 = 1 /Y ÷ Y = 3 / 4

8b )

2001 -- -- - -- -- 25 ,700

2002 -- -- - -- -- 15 /100 X 25,700 + 25 ,700 =

29,555

Amount of tax in 2002

= 29,555 * 12.5 /100

= N 3694. 375

=N 3690

8c )

Log 25

Log 16 25 /100

Log 16 2 / 4

Log 4 6- 1

-1 / 2 Log 4^ 4

-1 / 2

=========================================

9ai )

W=K + C /2

24 = k + C /16

384 = 16K + C -- -- - -- (i)

18 = K + C / 4

72 + 4 K + C - -- - -- -- - (ii )

16K + C = 384

4K + C = 72

Substact (ii ) from ( i)

12k /12 = 312 /12

K = 26

Substract K into (i)

16k + C = 384

C = 384 - 416

C = -32

W=k + C /t 2

W=26 -32 /t 2

(ii )

When W= - 46,t =?

-46 = 26 -32/ t2

t2 = - 32/ -72

t = Sqrt 16/ 36 = 4 / 6

=2 / 3

9b )

V = Pie r2 . d = 14, r = 7 cm

1232 = 22/7 * 7 ^ 2 * h

h = 7* 1232 /22* 49

h = 8624/ 1074

h = 8cm

=========================================

11a )

y^ 1 =x ^ 2( 3x + 1)^ 2

v= ( 2x + 1)^ 2

v= m^ 2

dm/ dx= 2

dv/ dm= 2 m

dy/ dx= dv/dm × dm/ dx

=2 m× 2

=4 m

dy/ dx= 4( 2x + 1)

dy/ dx= udv /dx+ v whole no . dy /dx

=x ^ 2 4( xx+ 1)^ 2 ,× 3 x

=4 x ^2 (2 x + 1) +2 x (2 x +1 )^ 2 .

11b )

[3 3 -1 ]

[1 0 2 ]

[3 - 2 3 ]

+2 [ 0- (- 4 )- 3[ 63]

+- 1 (- 2)

8+ 9 + 2

=19 .

11c )

m=y 2 -y 1 /x 2 -x 1

y- y 1= m( x -x 2 )

m=4 - 3/ - 1- 2

m=- 1 /3

y1 - y2 = -1 / 3( x- x 2)

y- 3 =1 / 3( x- 2 )

y- 3 =- 4 /3 + 2/ 3

3y = -x + 11

y= - 1/ 3 x+ 11/ 3 .

=========================================

GOODLUCK GUYS


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