**Waec 2016 Mathematics Obj And Theory Answers – May/June Expo**- By

**xCoDeD**On April 20, 2016 At 4:42 pm

**NOTE THAT THESE ANSWERS WAS DISTRIBUTED TO SUBSCRIBERS BEFORE MATHS EXAM.. THOSE THAT ARE SUBSCRIBING ARE NOT FOOLS, SO WE ATTEND TO THEM FIRST BEFORE UPDATING THE ANSWERS HERE..**

**ALWAYS SUBSCRIBE IF U NEED FAST AND EARLY RUNS**

Mathz-obj

1DCBCABBADA

11CCBCABABBA

21AACCDCDABC

31BCDCDCBABA

41ACADBBDADD

(1a)

(0.09*1.21)/(3.3*0.00025)

=(9*10^-2*1.2*10^1)/(3.3*25*10^-5)

=(1089^10^-4)/(82.5*10^-5)

=1.32*10^(-4+6)

=1.32*10^2

(1b)

p=5600,T=3,A=1200+5600=6800

A=P(1+R/100)^3

6800=5600(1+R/100)^3

(1+R/100)^3=6800/5600

(1+R/100)^3=1.214

1+R/100=cuberoot(1.214)

1+R/100=1.0667

R/100=1.0667-1

R/100=0.0667

R=0.0667*100

R=66.7%

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

2a)

7(x+4)-2/3(x-6)<_2[x-3(x+5)]
7x+28-2x/3-4<_2[x-3x-15]
24+7x-2x/3<_2x-6x-30
7x-2x/3-2x+6x<_-30-24
11x-2x/3<_-54 33x-2x<_-162
31x<_-162
x<_-162/31
2b)
x = tricycles
and y = taxi cabs
2x+4y=6b ... (1)
x+y=20 ... (2)
from equ..(2) y=20-x
substitute for y in equ...(1)
2x+4(20-x) = 66
2x+80-4x=66
80-66=4x-2x
14/2 = 2x/2 x=7
number of tricycles = 7
================
(3a)
CLICK HERE

(3b)

h=7cm

T=462cm^2

T=pie sqr + 2 pie rH

462= pie( r ^2 +2*7*r)

462/3.142

=r sqr= =14r

r sqr+ 14r=147

r sqr +14r- 147=0

r= 14+-( (sqr(14))-4*1*147)/2*1

r=-(14 +-(196-4))/2

r=(-14+_12)/2

r=(-14+12)/2 or

r=2/2

=1cm

4a)

Pr(3)=x/total

total=25+30+x+28+40+32

=155+x

0.225=x/155+ x

=34.875+0.225x=x

x-0.225x=34.875

=0.775x=34.875 degree

x=34.875/0.775

=45

(4b)

Pr(even)=30+28+40+32

=90

Pr(even)=90/200=9/20

Pr(prime no)=25=30+45+40

=140

Pr(prime no)=140/200=14/20

Pr(even or prime)=9/20 + 14/20

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

5a)

Area of triangle=1/2bh where h=6

:. 1/2*6/1*b/1=36

6b/2=36/1

6b=72

B=72/6

Base of angle PSR=12cm

Since |TS| //PQ

QR=PR-PQ

QR=12-8

QR=4cm

5b)

Draw d triangle

From angle ABC, to get |BC|

Tan60/1=10cm/|BC|

|BC|=10.65/tan60

|BC|=10.65/1.7321

=6.1486 =6.15m

Hence |BC|=|DE|

From angle AED, to get |AE|

Draw d diagram

|AB|=6.15tan45

6.15*1

=6.15m

There4, th height of the tree =10.65-6.15

=4.50m

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

9a)

CLICK HERE

x 62 63 64 65 66 67 68

tally 1 iiiii iiiii iiiii ii iiii iiii iiii iiiii iiiii iiiii i ii

freq 1 5 12 14 10 6 2 total = 50

fx 62 315 768 910 660 402 136 tot = 3253

x-x- -3.06 -2.06 -1.06 0.06 0.94 1.94 2.94

(x-x-) 9.3636 4.2436 1.1236 0.0036 0.8836 3.7636 8.6436

f(x-x)2 9.3636 21.218 13.4832 0.0504 8.836 22.5816 17.2872 tot = 92.82

bi) mean = EFX/EF = 3253/50 =65.06

bii) Standard deviation = Square root of EF(x-x)2/Ef

= Square root of 92.82/50

= square root of 1.8564

= 1.36

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

7a)

x-2/4 :x+2/2x

Cross multiply

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

Opening the bracket

2x^2-4x = 4x+8

Collect like terms together

2x^2-4x-4x-8=0

2x^2-8x-8=0

Solving with completing the square method

2x^2-8x=8

Divide through with the coefficient of x^2

2x^2/2-8x/2=8/2

X^2-4x=4

Half of coefficient of x

(-4 x 1/2)^2 = (-2)^2

X^2-4x+(-2)^2=4+(-2)^2

X^2-4x+(-2)^2=4+4

(x-2)^2=8

X-2:square root 8

X=2 + or – squar root 8

X=2+ square root 8 or x=2- square root 8

X=2+2.828=4.828

X=2-2.828= -0.828

X=4:83 or – 0.83.

7b)

P+Q+S=180 degree(sum of angles in a triangle)

52 degree+ 90 degree+

S= 180 degree 142+ S=180

S=180-142

S=38 degree

i)52+38+SQT

=180 degree

SQT=180-90

SQT=90 degree

ii)PQT= 52 degree

13a)

(x1,y1) =(2,-3)

for 2x + y =6

y=-2x +6

compare y = mx +6

m2 = -2

for parallel lines, m1=m2

: y-y1/x-x1 = m

y–3/x-2 =-2/1

y + 3 = -2(x -2)

y + 3 = -2x + 4

y = -2x + 4 -3

y = -2x +1

13b)

T={2,3,5,7}

I. X angle Y= (x+y+xy) mod 8

– |2|3|5|7

2|4|5|7|1

3|5|6|0|2

5|7|0|2|4

7|1|2|4|6

13bii)

I)

2angle(D angle 7)

2 angle 4, since (5 angle 7)=4

2 angle 4=6

II)

2 angle n =5 angle 7

Since 5 angle 7=4

:. 2 angle n=4

And n=2 because

2angle2=4 5 angle 7

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

11a)

3p+4q/3p-4q* 2/1 find p:q

1(rp+4q)= 2(3p-4q)

3p+4q=6p-8q

Collect like terms

3p-6p=-8q-4q

-3p=-12q

Ther4 p:q = -3p/-3=-12q/-3

P=4q, p=4, q=1

P:q= 4:1

11b)

Ts=pq-(2+2)

Ts=pq-4

Circumference of Ts= 2pie(TS)

11bi)

Ts=pq-(2+2)

Ts=pq-4

Circumference of Ts= 2pie(TS)

=2pie(pq-4)

Perimeter=pq+4+4+2+2+2pie(pq-4)

34=pq+12+2pie(pq-4)

34-12=pq+2piePQ-8pie

22=PQ(1+2pie)-8pie

22=pq(1(2*22/7)-8*22/7

22=pq(1+44/7)-176/7

22=PQ(7+44/7)-176/7

22+176/7 =pq(51/7)

154+176/7=Pq(51/7)

330/7=pq(51/7)

330/51=pq

Pq=6.4706

11bii)

TS=PQ-4=6.4706-4=2.4706m

Area of semi circle TS=pieD

=7.7626m^2

Area of rectangle PqRU=|pu|*|Pq|

4**6.4706=25.8824

Area of the cross section=area of rectangle-area of semi circle

=25.8824-7.7626

=18.1198m^2

=========

6a)

Sn=n/2(2a+(n-1)d)

A=1, d=2, n=n

Sn=n/2(2*1+(n-1)2)

N/2(2+2,-2)

=n/2*2=n^2

6b

CLICK HERE

n(E)=95, n(BnT)=7

N(U)=95, n(BnTnC’)=7n(B’nTnC)=3,n(BnTnC)=8

n(BnT’nC’)=x, n(BnT’nC),n(b)=47, n(T)=30

i)

Draw d venn diagram

ii)

To find x,

X+x+7+8=47

2x=47-15=32

X=32/2

=16

iii)

No of those who travelled by at least two means

7+3+16+8=34

==========

8a)

KGF = 110

2x = r = y

if KGF = 110, MGH = 180 – 110

MGH =70degree

HMG = Y

MHG = 180 – Y – 70

MHG = 110 – Y

LHJ = 180 -(110 -Y)

=180 – 110 + Y = 70 + Y

nOW : X + r + 70 + y = 180

2x = r + – y

if 2x = r

x = r/2 =y

😡 + 2x + 70 + 2x = 180

5x = 180 -70 = 110

x = 110/5 = 22degree

8b)

let A collection of boy be X and that of girl be y

Tot collected by boy

600 + Y = x

Tot collected by girl

x – 600 = y

x- y =600 –(i)

Ave collection for boys

x/10 = 100+y/12(multipled by 120)

x/10 * 120 = 100 * 120 + y/12 *120

12x = 12000 + 10y

12x -10y= 12000 —(ii)/x – y = 600 *12

12x – 10y =12000 * 1

12x -12y = 7200—-(iii)

12x – 10y = 12000

= -2y = -4800

y = 4800/2 = 2400

y = 4800/2 = 2400

subt 2400 for y in eq(i)

600 + y = x

600 + 2400 = x

x = 3000,

boys collection = #3000

girls collection = # 24000

total collected = #54000

**Related Posts In » Exam - Waec**

pls give maths theory and obj free pls

Nice

Pls i beg of u just send it to for just today i no is not easy but just me pls

Gud evening sir thank u for that i am happy for that help u help me God will bless u

Can i get the answers this night if i subscribe

pls i wil send it just let me see it

It over

I need maths dis midnight

Please I want weac math theory and obj

we beg oo help ooooo

Gud an fyn, b/couse u re doing ous d ryt thin an ur helping us ryt,tank you,may god bless you all by.

gidifans we luv u guyz(u d best).

please those of us from ghana how do we apply the number we are to sent the mtn card to does not seem to exist in my fonebook. please what other way can we also apply.

Haba my friends,y are u doing dis na pls release d answer 4 me na

pls.how can i subscribe.tell me pls.

pls is the maths answer/question going to be posted early

I subscribe BT i haven’t receive d pin nd it has passed d tym u guys promised

we are d great gidi fans

Jah help us

Pls passwrd is nded,I hv being expecting since last 9nth.I salute u guys keep d gud job going

pls i hve nt received d questions nd answers yet oo nd i

What is happening to the maths solution. U promised sending it to subscribers by 12:30am. I HV being waiting.

Tnx. I HV being expecting d maths solution since 12:30am as said earlier.

Pls when will de pin come i am have been waiting since 12am

Still expecting ur confirmation sms

Datz gud

THANKS 4 UR HELP I WILL BE WAITING 4 MATH ANSWERS

pls i need maths b4 9:30…

Sir, y ona dy waste time 2 send d maths answer na…………

pls try to reduced d price 4 us

pls sir,we nid math 2dai,pls help us

pls save us o mathematics. thanks

I don’t have that kind of money for password link,please I need ur help.

Mr gididans pls help me solve this maths. Express the v in terms of u if 1/3 log2(v+3)=2u

PLS.DU.ON.TIME

Can I trust U guys

123456

Maths

mathematics

i need maths b4 9:30

i have sent the car but i have got no pin

please send the math expo for free i dont have that kind of money i beg you with the name of GOD

sir we beg u plss, u knw maths is d boss of all subject, plsss post it free we plead

i will luk after u

I only begging u guys pls for d sake of God help us, u knw sum of us strrugle to get the money for the weac pls help us so dat we won’t com back

pls can u people give me the answer to pay the money later

Nop hw can i gve u d answer

pls maths free pls and urgent

Mathematice

pls i subscribed since last nite till now no confirmation nor Solutions.What is happening

we don’t know how to appreciate u people, thanks.but still we need maths answers of today, pls do sometin 4 us in time.

have send d card but you did not reply for math

Gidifans no fail us abeg una nah d best among all good oooo snd us maths ooo i hail una.THANKS OOO

pls I need math pls sir god will help u

AV NOT SEE IT

pls sir I need ur help

pls I need maths theory and obj,this is my number

pls I need maths theory and obj,this is my number 07039210812

Pls help us we have no morney to subscribed pls send it for free

Pls sir u know dat i trust in u people i beg u 2 kindly posted d answer. B4 d exam.

a beg we dey wait

you guys should suscribe,NOTHING IS FREEE!!!!!!!!!!!!!!!!!!!!!!

i love gidifans as my life because they do best of me

Pls send it before 12 am I will send amout

am so greatful 4 u guys, tanks alot. we luv u sir Frank Decute. may God reachly bless u, in Jesus name”Amen.

am so greatful 4 u guys,tanks alot.we luv u sir Frank Decute.may God reachly bless u,in Jesus name”Amen.bt bros ans abg

Sir we are really grateful for your good work on us, thanks once more again, keep it up.

We love u

U guyz are tankz @0nuorah samuel

tank u sir may God bless u in jesus name

tnx for everytin. God wil contiune blessin yhu una no go sufa for babes laa

good job gidifans… u guys rock

obj o pls

Is that maths. Correct. PlZ

pls i want 2 send it to my bro in email

WOW DIS NET SOUR PASS BROS TANX ALOT

Sir we are waiting 4d objective plsss

Pls wat of obj we are watin pls

THAANKS……

tank u sir for ur help

I love u all

u are d best ever

Tanks for the thorey we are watin 4 the obj

Please help for objectives oo abeg

please we need the objective pls

Pls obj

can i see tommorrow economics question

math obj now

pls i need the obj badly because i know is not easy for u to gv it out but just for today pls

I luv u guz died

Tanks very much..we need obj nw

pls release waec obj

Thank you guys

U will be bless 4ur help

dis site na baba oo i dae hail una bcas dis site sure die tank u guys

sir i need your happen sir

obj plsssds

obj pls

Obj pls

We tanks alot 4 wat u are doing gidifans i wish long life and prosperity

Ecconomic obj And theuory

obj broz abeg

Thanks Bro.

We are very greatful for all you have been doing for us, and we all pray for you that the good LORD in his mercy will bless you aboundantly and grant you all your need in jesus name AMEN.

TANS To You Mr Frank, On Behave Of My School We Appreciat Work May God Bless You

Economics

thanks gidifans

Tnks a lot boss may God bless u richly and nd qrant ur hrt desires amen

thank you oooo i dont subcribe but i got full correct answers hahahahaha

we join gidifans to chop agidi,gidi u are de best.

u guys ar grt

TANKS 4 D MATHS ANSWER

Pls update tomorrow answers for economics early

Gidifans we all knw that the people who subscribe are not fools cause finger are not equals we all need help why cnt you just please assist us all am begging u gidifans many of us cn only did it once nd nt be able to see a helper plz i am begging you to assist us all plz

Pls i need Economics obj and theory before 9:30 tomorrow

Jah bless you guyz

Pls sir i need economic thorey and obj answer

Gidi thanks.am vry pround of u thanks alot

ECONOMICS

sir Gidi God wil bless u alot pls sir i need obj and theory

economics stuff oh

Very pleasant .some of std unable to write god will bless u and ur family uP NIGERIA

I love gidifans

Nice

Qestion for biology practical

it shall be well wit gidifans

AMEN

Thank you alot we are witing 4 animal husbandry

Thanks So Much God Will Bless You Pls Are U Guys Available 4 Junior Waec

Yes any hlp

are runz sent with whatssapp or just sms

are answers sent through whatsapp or just sms

hw do someone suscribe…?

how can we subscribe?

Waw dis place is so interesting

is dis stuff real or fex ? guys check wel pls

Pls the questions alone

O Lord of mercy i need your help of mathematics

PLZ SAND ME ANSWER ON LITRATURE IN ENGLISH

LOL

thanks Mr gidi u too much