In modulo 7, you can have numbers 1 to 6.
The following are the numbers in modulo 7:
0,1,2,3,4,5 and 6.
Now, for multiplication in Modulo 7,
2x3= 6. Normal thing.
But what happens if you get an answer greater than or equal to seven?
Like 2x4=8
We cannot have 8.
So, how many 7 in 8?
1 remainder 1
So, the remainder 1 is the answer.

Another example: 5 x 6= 2

Because we can't have 30 here!
But how many 7 in 30 is 4 rem 2.
So, rem 2 is the answer. Hope this helps.

lanre2009:
help see if you can decode this questions.....thanks

the last question with 4,5,0 & 9 is 4+5=9-9=0
the first question is multiplication all through.

There is a typo error on d 3rd example. Use only first two as sample. Sometimes when something seems difficult is either the question is very hard or there is an error in d question, i say there is and error in the 3rd sample.

hahn:


Me too. I had a study group and we aced our common entrance exams. None of us got below 500.

I am looking forward to solving quantitative problems with my kids but, as i have gotten to realise, the Nigerian education system is very much inadequate

I tell you your kids will be more motivated if you as their dad take out time to do such with them, such things are what children easily remember when they are adults.

Whatever is done at the top you as well do at the bottom
16/2=8 and 4/2=2
1*2=2 and 3*2=6
4-4=0 and 9-4=5

this is simple......ADD THE 2 NUMBERS AND DIVIDE YOUR ANSWER BY 7.....when there is a remainder you put the remainder in front of the dot....or point.....or period

Businessideas:

My wife said the same thing about this problem until I decoded it.
Don't try these common entrance questions o. You will rack your head tire

lanre2009:
help see if you can decode this questions.....thanks

Section E
Answer = 3

Some of those people that make up this things now...as far as I am concerned some doesn't make sense. Some the examples don't correlate with one another.

[quote author=lanre2009 post=76068829][/quote] Number 1 is unspecified 2=C. 7+1=8/2=4 3=D. 12+6=18/2=9 4=E. 56+28=84/2=42

I really appreciate your kind words.....i am putting in the time so as to encourage my son and develop some strong bonds....

Pavore9:


I tell you your kids will be more motivated if you as their dad take out time to do such with them, such things are what children easily remember when they are adults.

femi4:
No error anywhere

The summation of the four numbers give you multiple of 3

A. 16+8+4+2 = 30

B. 1+2+3+6= 12

C. 4+0+5+9= 18

Wrong. As you will have different answers. For example I'm B, you will have more than one answer. 12 & 15 are all multiple of 3.

Thanks for putting this on the front page and thanks to all who have contributed....really appreciate.....kindly help to decode this also......

Pavore9:
Remember back in the day!

Which day?
U do quantitative reasoning for ur sku?

GloShare:
Error

serious error

Oh, sorry I came late, been busy all day.


I think these are the solutions to your question.

sureguy078:

Which day?
U do quantitative reasoning for ur sku?

You well so?

You think say e easy to score 543 in common entrance in those days whey imo state cut off mark was 534, the state with the highest cut off in Nigeria back in the day?

I go better school o!

I think there is a mistake with d first example: instead of 16 it should be six.
6+4_8=2

lanre2009:
I really appreciate your kind words.....i am putting in the time so as to encourage my son and develop some strong bonds....

You are welcome. Still clearly remember and appreciate my father's efforts during my common entrance exam and the subsequent interview, which is beyond the finance but sitting down with me, going through the text books and tackle past questions, eternally grateful to him.

Pavore9:


I tell you your kids will be more motivated if you as their dad take out time to do such with them, such things are what children easily remember when they are adults.

Well I work from home so I have more than enough time. Dem Sef go tire

walyx:
if its Ugo c Ugo,then I think that third sample is an error. I use it in preparing for my pupils and usually notice few errors.

If it is due to error in sample there would be answers to the proper questions in the options

ProfChris10:

16-2=14 not 12

Sorry, the first is 16/2= 8

8/4= 2

Second is 1+2+3= 6
1+3=4 and 6-4= 2
Apply the same as the second to the third question and u will get that too

hahn:


Well I work from home so I have more than enough time. Dem Sef go tire

Na dem go fear!

usmanktg2:


Wrong. As you will have different answers. For example I'm B, you will have more than one answer. 12 & 15 are all multiple of 3.

how? Summation of all the nos in b is 12 not 15

Olodo! Summation will be in multiples of 3 hence that explained different answers.

Go back to your multiples of no class

tunde705:
The 2 in the first sample should be 28. Add the first 3 numbers to give you 28. I have the 14th edition and the 2 is 28 in it.

Thanks....this actually worked ...I added '8' to the '2' in the first sample and we were able to solve all the questions....I really appreciate....

lanre2009:
Thanks for putting this on the front page and thanks to all who have contributed....really appreciate.....kindly help to decode this also......

The middle part where you have "2" is "1"

2*4 * 2*3=48

1*1 * 1*3= 3

5*1 * 1*4= 20

For the first question, this makes sense to me, check the questions you will see all the examples except for the first example which I think it's wrong.

Arrange the numbers in ascending order.
Highest Minus Lowest = Sum of two middle numbers

femi4:
The middle part where you have "2" is "1"

2*4 * 2*3=48

1*1 * 1*3= 3

In the first sample....16 + 8 + 4 = 28.....not 2, this worked out for the other samples as well as the other questions....thanks

It takes a village....[uote author=LuciferPreacher post=76074657]


Is the son not supposed to have learnt this in school?
What was he doing while his mates were learning it?

On social media?


How will the kid learn if Nairalanders keep solving his math problems for him?

How does this concern Nairalanders?

Why do Nigerians like nonsense?[/quote]

lanre2009:


In the first sample....16 + 8 + 4 = 28.....not 2, this worked out for the other samples as well as the other questions....thanks

It must be a typo error just like we have in the second attachment.

Why not use the latest edition, i believe it ll have less error

ericmor:


Sorry, the first is 16/2= 8

8/4= 2

Second is 1+2+3= 6
1+3=4 and 6-4= 2
Apply the same as the second to the third question and u will get that too

One rule is supposed to be used to solve all the samples..