[02-Sep-07] TIME AIMCAT 0809 Discussions

[seshadri13]

thanx eclectic and basilisk for ur reply...97.49 seems pretty gud..wid the fact that i never neared 97 after 816 ...shud b a booster for me to fight back..and score in VA..will analyse the strategy again..probly this one workd for me..

[rythemdivine]

Originally Posted by Destiny's_Child

Can somebodt explain the solution to Q32.

If N is divisible by 13, x = 3 and y i the i'th digit from the left, then what could be the value of i???

I am not able to follow the solution given by TIME.................

Can somebody please share some other approach to solve Q31 - 34 (QA - first set - divisibility by 13 & 17)?
Has somebody solved or come across some other approach to solve this type of questions?

[Destiny's_Child]

Originally Posted by charly

Can someone please clarify the method/solution to qno 50-53(the speed and distance set) as given in time key:- they conclude that distance travelled by kedar in 20min= dis. by badri in 30mins--how do you arrive at this?

Time taken by Kedar to cover PQ = 2t
Time taken by Badri to cover PQ = 2t +50

Now Kedar reaches Q after time T => T = 2t
All three of them meet after 20 mins at point S => when they meet Badri has travelled for 2t +20 mins.
So in [ (2t+50) - (2t +20) i.e. 30 mins] mins, badri will cover the distance SQ which Kedar travelled in 20 mins.

Hope that makes sense............

[cluzo]

My score

QA = 4
DI = 30
RC= 29

I just cleared the DI and RC cutoffs though i had thought that i can clear it comfortably.
Guess my percentile would go down...
And QA is hopeless....

[man_on_mission]

Originally Posted by rythemdivine

Can somebody please share some other approach to solve Q31 - 34 (QA - first set - divisibility by 13 & 17)?
Has somebody solved or come across some other approach to solve this type of questions?

hi..

Dont know whether its a gud approach..but i m posting my approach ..the one i followed during xam time and did des probs...actually till today..havent found another gud method...

I divide the 2s with 17 and found that 16 2's r divisible by 17. Now its given tat ith number was 17th form left..so iths the 35th term...so der r 34terms to right of ith term and 16 to left...so all the left terms r divisible by 17..now 32 terms right of ith term r also divisible by 17...so we r left eith only 3 terms..33rd,34th ant ith term and s number is divisible by 17..our job is to make 22i divisible by 17 and 221 is divisible by 17 so i=1.


Now for 13...i found tat 7 3s r divisible by 13...now as 3's are der in number ...so ith number will b 3..and 1 less den multiple of 7 wil be the answer ..nd out of the choces given only 1 was 1 less then multiple of 7...so..marked it...

[man_on_mission]

Originally Posted by Destiny's_Child

Time taken by Kedar to cover PQ = 2t
Time taken by Badri to cover PQ = 2t +50

Now Kedar reaches Q after time T => T = 2t
All three of them meet after 20 mins at point S => when they meet Badri has travelled for 2t +20 mins.
So in [ (2t+50) - (2t +20) i.e. 30 mins] mins, badri will cover the distance SQ which Kedar travelled in 20 mins.

Hope that makes sense............

Dis whole block of time & distance can b solved in 5 mins using options...so it will fetch 12 marks in 5 mins...which is not bad....

[rjt163]

Originally Posted by man_on_mission

hi..

Dont know whether its a gud approach..but i m posting my approach ..the one i followed during xam time and did des probs...actually till today..havent found another gud method...

I divide the 2s with 17 and found that 16 2's r divisible by 17. Now its given tat ith number was 17th form left..so iths the 35th term...so der r 34terms to right of ith term and 16 to left...so all the left terms r divisible by 17..now 32 terms right of ith term r also divisible by 17...so we r left eith only 3 terms..33rd,34th ant ith term and s number is divisible by 17..our job is to make 22i divisible by 17 and 221 is divisible by 17 so i=1.


Now for 13...i found tat 7 3s r divisible by 13...now as 3's are der in number ...so ith number will b 3..and 1 less den multiple of 7 wil be the answer ..nd out of the choces given only 1 was 1 less then multiple of 7...so..marked it...

Thanks a lot , this seems like a much easier method than the one described by TIME.

[nebuchadnezzar]

Hi junta...

Can somebody explain when to use the article 'a' and when not to..

What I know is if the object is abstract or uncountable, using 'a' is wrong, while it is to be used at other times.

for example: (not a very neat example though )

This is heavy stone (Wrong)
This is a heavy stone (Correct)
If I bang this on your head, we shall witness a heavy bleeding (Wrong)
If I bang this on your head, we shall witness heavy bleeding (Correct)

Firstly, tell me whether this understanding itself is correct.

Now, the point in case. I remember one identify the incorrect sentences question in one of the aimcats in which the article 'a' in the sentence ~~~(blah blah) would cause a global upheavel was said as being wrongly used and in the question above it, the same logic didn't hold true.

Is my understanding too plain, as in just one straight rule to use or omit 'a'.

Pl enlighten VA Gods!!

vaibhav

[_CAT_DISASTER]

wat percentile would 110 is the time site up??????????
i think 99.5 approx........

[justlikethat]

Originally Posted by _CAT_DISASTER

wat percentile would 110 is the time site up??????????
i think 99.5 approx........

108 is 99.50
So, 110 will be a bit more..say 99.6