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Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by GreatSkess: 2:04pm On Nov 14, 2013
jackpot: Hint! :

find the sum of the AP with a=101 as the first term, common difference d=3 and the number of terms n=300 cheesy



**just passing ooo** wink
Choi is dis math! kudos
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by jaryeh(m): 2:05pm On Nov 14, 2013
jackpot: Hint! :

find the sum of the AP with a=101 as the first term, common difference d=3 and the number of terms n=300 cheesy



**just passing ooo** wink

in exactly ten minutes later! Are you whyning us cheesy
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:07pm On Nov 14, 2013
this question get as im be o...i hope i get it sha*winks eye*.......
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:08pm On Nov 14, 2013
^my big aunty jackpot...u wan cus comotion ni' ?..
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by LogoDWhiz(m): 2:09pm On Nov 14, 2013
Network and his problem... I hope the cood got my answer...
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by AmazingAngel(f): 2:10pm On Nov 14, 2013
Dis question tough small o,instead of me to put n=300,I wrote n=230,God D̶̲̥̅̊ε̲̣̣̣̥γ̲̣̣̥ sha
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 2:10pm On Nov 14, 2013
Solution to Question 10

The smallest 3 digit number that will leave a remainder of 2 when divided by 3 is 101.

The next number that will leave a remainder of 2 when divided by 3 is 104, 107, ....

The largest 3 digit number that will leave a remainder of 2 when divided by 3 is 998.

So, the given series is an AP with the first term being 101 and the last term being 998 and thhe common difference being 3.

Sum of AP = (First Term + Last Term)/2 x [no of terms]

We know that in an A.P., the nth term an = a1 + (n - 1)x d

In this case, therefore, 998 = 101 + (n - 1)x 3

i.e., 897 = (n - 1) x 3

Therefore, n - 1 = 299

Or n = 300.

Sum of the AP will therefore, be (101 + 998 /2) x 300 = 164,850
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 2:12pm On Nov 14, 2013
Dr.Gboy:
164850

time had elapsed when you posted this

1 Like

Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:12pm On Nov 14, 2013
The number is 512. 512 = 3(170) + 2.
Sum of digits is 8. Got it smiley
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:13pm On Nov 14, 2013
Richiez: Solution to Question 10

The smallest 3 digit number that will leave a remainder of 2 when divided by 3 is 101.

The next number that will leave a remainder of 2 when divided by 3 is 104, 107, ....

The largest 3 digit number that will leave a remainder of 2 when divided by 3 is 998.

So, the given series is an AP with the first term being 101 and the last term being 998 and thhe common difference being 3.

Sum of AP = (First Term + Last Term)/2 x [no of terms]

We know that in an A.P., the nth term an = a1 + (n - 1)x d

In this case, therefore, 998 = 101 + (n - 1)x 3

i.e., 897 = (n - 1) x 3

Therefore, n - 1 = 299

Or n = 300.

Sum of the AP will therefore, be (101 + 998 /2) x 300 = 164,850

thank God o....i almost made a mistake....
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 2:13pm On Nov 14, 2013
hmmm....hidden post
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by DrGboy(m): 2:14pm On Nov 14, 2013
Richiez:

time had elapsed when you posted this
I'm running on a very low battery plus poor netwrk too
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 2:14pm On Nov 14, 2013
aysuccess99:
thank God o....i almost made a mistake....
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:14pm On Nov 14, 2013
factorial1: hmmm....hidden post
funny maths guru o.
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Idenyijoshua(m): 2:15pm On Nov 14, 2013
M.I.Q: only stopped at d number of values. What a pity
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 2:17pm On Nov 14, 2013
boss mi I dey loyal jawe... I troway *salute* sir
aysuccess99:
funny maths guru o.
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:17pm On Nov 14, 2013
Dr.Gboy:
I'm running on a very low battery plus poor netwrk too
it's true o, the network is very bad#naija factor# and the b3 is gettn low...omo....wat are we goin 2 do o?
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:17pm On Nov 14, 2013
Richiez: Next Question is by Quiz master Richiez

What is the sum of all 3 digit numbers that leave a remainder of '2' when divided by 3?

You have just 10 mins!!!

My answer is correct again. You never mentioned 'smallest' in the question and 512 is therefore part of the solution. Please check my post above
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 2:17pm On Nov 14, 2013
SCORE CARD FOR ROUND 3 3rd Question

1. :::JARYEH::: 10pts

2. :::DENNIECE1::: 12pts

3. :::IDENYIJOSHUA::: 10pts

4. :::PAPINDINHO::: 2pts

5. :::DR.GBOY::: 8pts

6. :::FACTORIAL1::: 12pts

7. :::AYSUCCESS99::: 12pts

8. :::MIRACY::: 2pts

9. :::KENDZYMA::: 10pts

10. :::LOGODWHIZ::: 10pts

11. [url=https://www.nairaland.com/amazing%20angel]:::AMAZING ANGEL:::[/url] 10pts

12. :::SMURFY::: 12pts

13. :::MOZARINIA::: 2pts

14. :::TOIDEVE::: 6pts

15. :::CASHIO::: 2pts

16. :::DYSHOW::: 4pts
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 2:19pm On Nov 14, 2013
only factorial1 and toideve got it right!

Audience pls make your choice....next question pls
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Ladokun12(m): 2:20pm On Nov 14, 2013
Chai,me dn go steal my grany b3,pray i mit up.
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by DrGboy(m): 2:20pm On Nov 14, 2013
@ richiez i don't mind being penalised by -1 mark pleasssse
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:21pm On Nov 14, 2013
18
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:21pm On Nov 14, 2013
y nah.........? i got it nah...it was due 2 ntwrk probs dat i posted two diff ansas twice o...pls consider o....
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:22pm On Nov 14, 2013
Richiez: only factorial1 and toideve got it right!

Audience pls make your choice....next question pls

Oh, I left out the 'all' in the question sad
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 2:22pm On Nov 14, 2013
aysuccess99: y nah.........? i got it nah...it was due 2 ntwrk probs dat i posted two diff ansas twice o...pls consider o....
hehehehe beware!!!! oh minus one mark next time
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Richiez(m): 2:23pm On Nov 14, 2013
smurfy:

Oh, I left out the 'all' in the question sad

ooops! be more careful in the next question
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by factorial1(m): 2:23pm On Nov 14, 2013
oga, no mind them jawe, ''efi owo wo nu'' gringringrin, afterall u aint left behind, u stil dey top na ni...Lolz
aysuccess99: y nah.........? i got it nah...it was due 2 ntwrk probs dat i posted two diff ansas twice o...pls consider o....
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Ladokun12(m): 2:23pm On Nov 14, 2013
Hm,survival of d fitest.
Re: Nairaland Math Quiz Winner l::::::JARYEH::::::l by Nobody: 2:24pm On Nov 14, 2013
Richiez:
hehehehe beware!!!! oh minus one mark next time
owk boss noted...thank u very much *frustrated and anxious mode* #head ache#

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