Search found 30 matches


Number of positive integers

How many positive integers less than 10,000 are there in which the sum of the digits equals 5?
Whats the best way to find the solution to these kind of problems?

by chaitanyareddy

Wed Mar 28, 2012 3:55 am
Forum: Problem Solving
Topic: Number of positive integers
Replies: 3
Views: 1193

Thank you.. Yeah I took the second time after I was confident abt verbal. I scored between 30 to 38 on all the practice test. On the OG books , my accuracy was nearly 70 to 80 percent. Something has gone haywire. I am not sure what . :) But my actual doubt is do I need to/ is there a way to report m...

by chaitanyareddy

Tue Nov 16, 2010 6:43 pm
Forum: I just Beat The GMAT!
Topic: The GMAT hit me hard
Replies: 3
Views: 2636

The GMAT hit me hard

Hi, Well its a sad story to share... First attempt got a 620( 49Q + 25V). was kind of happy as haven't prepared that hard. But yes the 620 was not some fluke. Finally prepared really hard , did power prep and Barron's tests , many offline tests , 800score.com sectional tests, took notes blah blah. I...

by chaitanyareddy

Tue Nov 16, 2010 11:36 am
Forum: I just Beat The GMAT!
Topic: The GMAT hit me hard
Replies: 3
Views: 2636

I think this contradicts with what is explained here.

http://marjorievawter.blocked/2008 ... ion-4.html

I am again confused :(

by chaitanyareddy

Sun Nov 14, 2010 12:08 am
Forum: Sentence Correction
Topic: not only.. but also..
Replies: 7
Views: 1644

not only.. but also..

What is the correct grammatical construction of the sentences involving Not only but also clause. Ex : He studied not only physics but also maths. He not only studied physics but also maths. Which of the above statements is correct in its form and why. and my next question. What is the difference be...

by chaitanyareddy

Sat Nov 13, 2010 1:10 pm
Forum: Sentence Correction
Topic: not only.. but also..
Replies: 7
Views: 1644

confusing combinations

Hi,

Can anyone please explain the usage/difference of the following .

1) its , it's

2) <someone> would have done,
<someone> could have done.

3) ..... so that they could do it,
......so that they could do so.

by chaitanyareddy

Thu Nov 11, 2010 5:52 am
Forum: Sentence Correction
Topic: confusing combinations
Replies: 2
Views: 1090

OA is B.
Statement 2 alone is sufficient.

by chaitanyareddy

Thu Nov 11, 2010 4:04 am
Forum: Data Sufficiency
Topic: number of books
Replies: 7
Views: 1445

I wrote the question in DS section.

by chaitanyareddy

Wed Nov 10, 2010 5:35 am
Forum: Problem Solving
Topic: number of books
Replies: 2
Views: 951

number of books

Store S sold a total of 90 copies of a certain book during the seven days last week and it sold different number of copies on any two days of the week. If in a week , Store S sold a greatest number of copies on saturday and the second greatest on friday , Did the store sell more than 11 copies on fr...

by chaitanyareddy

Wed Nov 10, 2010 5:34 am
Forum: Data Sufficiency
Topic: number of books
Replies: 7
Views: 1445

number of books

Hi please explain the following problem

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by chaitanyareddy

Wed Nov 10, 2010 4:37 am
Forum: Problem Solving
Topic: number of books
Replies: 2
Views: 951

Time and work

Getting confused with these kind of problems. Q) 5 workers can print 3000 books in 10 days. How many days will it take 4 apprentices , whose efficiency is 2/3 of a regular worker , take to print 4000 books. and the same question if it is asked like - efficiency of 4 new workers = 2/3( efficiency of ...

by chaitanyareddy

Tue Nov 09, 2010 11:20 pm
Forum: Problem Solving
Topic: Time and work
Replies: 4
Views: 1022

@beat_gmat_09,

I think the answer to the third question is 63.

and for the second question , the general formula which you gave ( n-1)! is applicable for normal cases of circular arrangement. This is a different case.

by chaitanyareddy

Tue Nov 09, 2010 11:11 pm
Forum: Problem Solving
Topic: P & C
Replies: 4
Views: 1232

Yeah even I am getting the same answer. However one doubt is if there are total 100 possible 3 digit numbers and 48 of them are even and 48 of them are odd , then what about the remaining 4 numbers...? I mean all the three digits numbers able to be formed should be equal to number three digit even +...

by chaitanyareddy

Tue Nov 09, 2010 10:57 pm
Forum: Problem Solving
Topic: P and C hard question
Replies: 3
Views: 1162

P and C hard question

How many number of 3 digit numbers can be formed with the digits 0,1,2,3,4,5 if
no digit is repeated in any number? How many of these are even and how many
odd?

Please answer.

by chaitanyareddy

Tue Nov 09, 2010 8:22 pm
Forum: Problem Solving
Topic: P and C hard question
Replies: 3
Views: 1162