Search found 123 matches


force5 wrote:consider the question like this

let the number be 10a+b
reversing the digits 10b+a
difference 9a-9b = 27 ( given)
a-b = 3

hence A

:wink:
Thats it...it was so easy?!! :o

by anirudhbhalotia

Tue Mar 15, 2011 9:25 am
Forum: Problem Solving
Topic: Integers reversed - Applied problem
Replies: 2
Views: 1381

A store currently charges the same price for each towel that it sells. If the current price of each towel were to be increased by $1, 10 fewer towels could be bought for $120, excluding sales tax. What is the current price of each towel? A. $1 B. $2 C. $3 D. $4 E. $12 OA - C I somehow didn't get th...

by anirudhbhalotia

Tue Mar 15, 2011 9:23 am
Forum: Problem Solving
Topic: Towels - Applied problems
Replies: 4
Views: 2020

How and why are we putting n square(n^2) ? N friends contributing 500 each; Total contribution = 500N . Agree? Now each of N friends persuaded N more people to donate $500. Note the word Each. So N more people will donate $ 500 Each =500N Agree?--- This corresponds to each of 'n' friends & sinc...

by anirudhbhalotia

Tue Mar 15, 2011 9:20 am
Forum: Data Sufficiency
Topic: Mary : Donations, Simultaneous equations
Replies: 7
Views: 1836

How and why are we putting n square(n^2) ?

by anirudhbhalotia

Thu Mar 10, 2011 10:17 pm
Forum: Data Sufficiency
Topic: Mary : Donations, Simultaneous equations
Replies: 7
Views: 1836

At a certain picnic, each of the guests was served either a single scoop or a double scoop of ice-cream. How many of the guests were served a double scoop of ice-cream? 1. At the picnic, 60 percent of the guests were served a double scoop of ice-cream. 2. A total of 120 scoops of ice-cream were ser...

by anirudhbhalotia

Thu Mar 10, 2011 10:08 pm
Forum: Data Sufficiency
Topic: Ice-cream scoop, Percents
Replies: 8
Views: 2278

At a certain picnic, each of the guests was served either a single scoop or a double scoop of ice-cream. How many of the guests were served a double scoop of ice-cream? 1. At the picnic, 60 percent of the guests were served a double scoop of ice-cream. 2. A total of 120 scoops of ice-cream were ser...

by anirudhbhalotia

Thu Mar 10, 2011 9:48 pm
Forum: Data Sufficiency
Topic: Ice-cream scoop, Percents
Replies: 8
Views: 2278

here is my take let the current price be x towels that can be bought @ x = 120/x price increase x+1 towels that can be bought @x+1 = 120/x+1 difference in the quantity of towels bought is given as 10 hence 120/x - 120/x+1 = 10 solving for x you will get x= 3 hence current price is $3 ( choice C) ho...

by anirudhbhalotia

Thu Mar 10, 2011 9:57 am
Forum: Problem Solving
Topic: Towels - Applied problems
Replies: 4
Views: 2020

Mary : Donations, Simultaneous equations

Mary persuaded n friends to donate $500 each to her election campaign, and then each of these n friends persuaded n more people to donate $500 each to Mary's campaign. If no one donated more than once and if there were no other donations, what was the value of n ? 1. The first n people donated 1/16 ...

by anirudhbhalotia

Thu Mar 10, 2011 9:35 am
Forum: Data Sufficiency
Topic: Mary : Donations, Simultaneous equations
Replies: 7
Views: 1836

Ice-cream scoop, Percents

At a certain picnic, each of the guests was served either a single scoop or a double scoop of ice-cream. How many of the guests were served a double scoop of ice-cream? 1. At the picnic, 60 percent of the guests were served a double scoop of ice-cream. 2. A total of 120 scoops of ice-cream were serv...

by anirudhbhalotia

Thu Mar 10, 2011 9:32 am
Forum: Data Sufficiency
Topic: Ice-cream scoop, Percents
Replies: 8
Views: 2278

Students : Chemistry/Biology, Operations on rational nos.

Of the 200 students at College T majoring in one or more of the sciences, 130 are majoring in chemistry and 150 are majoring in biology. If atleast 30 of the students are not majoring in either Chemistry or Biology, then the no. of students majoring in both chemistry and biology could be any number ...

by anirudhbhalotia

Thu Mar 10, 2011 9:29 am
Forum: Problem Solving
Topic: Students : Chemistry/Biology, Operations on rational nos.
Replies: 2
Views: 1079

Integers reversed - Applied problem

If a two-digit integer has its digits received, the resulting integer differs from the original by 27. By how much do the two digits differ?

A. 3
B. 4
C. 5
D. 6
E. 7

OA - A

by anirudhbhalotia

Thu Mar 10, 2011 9:23 am
Forum: Problem Solving
Topic: Integers reversed - Applied problem
Replies: 2
Views: 1381

John and Mary - Applied problem

John and Mary were each paid x dollars in advance to do a certain job together. John worked on the job for 10 hours and Mary worked 2 hours less than John.If Mary gave John y dollars of her payment so that they would have received the same hourly wage, what was the dollar amount, in terms of y, that...

by anirudhbhalotia

Thu Mar 10, 2011 9:21 am
Forum: Problem Solving
Topic: John and Mary - Applied problem
Replies: 2
Views: 1037

Towels - Applied problems

A store currently charges the same price for each towel that it sells. If the current price of each towel were to be increased by $1, 10 fewer towels could be bought for $120, excluding sales tax. What is the current price of each towel? A. $1 B. $2 C. $3 D. $4 E. $12 OA - C I somehow didn't get the...

by anirudhbhalotia

Thu Mar 10, 2011 9:17 am
Forum: Problem Solving
Topic: Towels - Applied problems
Replies: 4
Views: 2020

Magazine/Periodicals you read?

Even though I am a voracious reader of just about anything...I have read in many different sites/blogs where people have recommended books and magazines(not so much as books) to read. I am aware not many, if not any MBA programs accepting GMAT have a Group Discussion(GD) as part of their admission p...

by anirudhbhalotia

Sun Feb 20, 2011 9:19 pm
Forum: Lounge
Topic: Magazine/Periodicals you read?
Replies: 0
Views: 1546

I didn't quite get it.

I think D makes better sentence.

by anirudhbhalotia

Tue Feb 15, 2011 8:44 pm
Forum: Sentence Correction
Topic: In the engineering sector
Replies: 32
Views: 14952