Search found 30 matches
- by pullagurla
Tue Oct 26, 2010 5:48 pm- Forum: Research MBA Programs
- Topic: 410 GMAT
- Replies: 1
- Views: 1848
Applied problems
Seed mixture X is 40 percent ryegrass and 60 percent bluegrass by weight; seed mixture Y is 25 percent ryegrass and 75 percent fescue. If a mixture of X and Y contains 30 percent ryegrass, what percent of the weight of the mixture is X ? (A) 10% (B) 33 1/3% (C) 40% (D) 50% (E) 66 2/3% Use backsolving
- by pullagurla
Thu Sep 02, 2010 10:46 pm- Forum: Problem Solving
- Topic: Applied problems
- Replies: 3
- Views: 1295
Applied problems
If a two-digit positive integer has its digits reversed,
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
Use backsolving
- by pullagurla
Thu Sep 02, 2010 10:44 pm- Forum: Problem Solving
- Topic: Applied problems
- Replies: 1
- Views: 1008
operations on rational numbers
Car A is 20 miles behind Car B, which is traveling in the same direction along the same route as Car A. Car A is traveling at a constant speed of 58 miles per hour and Car B is traveling at a constant speed of 50 miles per hour. How many hours will it take for Car A to overtake and drive 8 miles ahe...
- by pullagurla
Thu Sep 02, 2010 10:43 pm- Forum: Problem Solving
- Topic: operations on rational numbers
- Replies: 1
- Views: 999
Applied problems
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, tha...
- by pullagurla
Thu Sep 02, 2010 10:43 pm- Forum: Problem Solving
- Topic: Applied problems
- Replies: 1
- Views: 1030
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 of the 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 Use backsolving
- by pullagurla
Thu Sep 02, 2010 10:42 pm- Forum: Problem Solving
- Topic: Applied problems
- Replies: 2
- Views: 1274
operations on rational numbers
Of 30 applicants for a job, 14 had at least 4 years’ experience, 18 had degrees, and 3 had less than 4 years’ experience and did not have a degree. How many of the applicants had at least 4 years’ experience and a degree? (A) 14 (B) 13 (C) 9 (D) 7 (E) 5 Solve using backsolving method
- by pullagurla
Thu Sep 02, 2010 10:41 pm- Forum: Problem Solving
- Topic: operations on rational numbers
- Replies: 2
- Views: 2216
Simplifying algebraic expressions
This year Henry will save a certain amount of his income, and he will spend the rest. Next year Henry will have no income, but for each dollar that he saves this year, he will have 1 + r dollars available to spend. In terms of r, what fraction of his income should Henry save this year so that next y...
- by pullagurla
Thu Sep 02, 2010 10:40 pm- Forum: Problem Solving
- Topic: Simplifying algebraic expressions
- Replies: 1
- Views: 963
Applied problems
Jack is now 14 years older than Bill. If in 10 years Jack
will be twice as old as Bill, how old will Jack be in
5 years?
(A) 9
(B) 19
(C) 21
(D) 23
(E) 33
Explain by backsolving
- by pullagurla
Thu Sep 02, 2010 10:37 pm- Forum: Problem Solving
- Topic: Applied problems
- Replies: 1
- Views: 987
First-degree equations
In an increasing sequence of 10 consecutive integers,
the sum of the � rst 5 integers is 560. What is the sum
of the last 5 integers in the sequence?
(A) 585
(B) 580
(C) 575
(D) 570
(E) 565
explain by picking number
- by pullagurla
Thu Sep 02, 2010 10:36 pm- Forum: Problem Solving
- Topic: First-degree equations
- Replies: 5
- Views: 2727
Applied problems
The total cost for Company X to produce a batch of tools is $10,000 plus $3 per tool. Each tool sells for $8. The gross pro� t earned from producing and selling these tools is the total income from sales minus the total production cost. If a batch of 20,000 tools is produced and sold, then Company...
- by pullagurla
Thu Sep 02, 2010 10:35 pm- Forum: Problem Solving
- Topic: Applied problems
- Replies: 3
- Views: 2780
Second-degree equations
Amount of Bacteria Present Time Amount 1:00 P.M. 10.0 grams 4:00 P.M. x grams 7:00 P.M. 14.4 grams Data for a certain biology experiment are given in the table above. If the amount of bacteria present increased by the same factor during each of the two 3-hour periods shown, how many grams of bacteri...
- by pullagurla
Thu Sep 02, 2010 10:34 pm- Forum: Problem Solving
- Topic: Second-degree equations
- Replies: 1
- Views: 1046
Order
If r = 0.345, s = (0.345)^2, and t = 0 345^1/2 . , which of
the following is the correct ordering of r, s, and t ?
(A) r < s < t
(B) r < t < s
(C) s < t < r
(D) s < r < t
(E) t < r < s
Explain the basic principle !
- by pullagurla
Thu Sep 02, 2010 10:33 pm- Forum: Problem Solving
- Topic: Order
- Replies: 1
- Views: 1141
Factoring and Simplifying algebraic expressions
A dealer originally bought 100 identical batteries at a total cost of q dollars. If each battery was sold at 50 percent above the original cost per battery, then, in terms of q, for how many dollars was each battery sold? (A) 3q/200 (B) 3q/2 (C) 150q (D) q/100+ 50 (E) 150/q : please give solution by...
- by pullagurla
Thu Sep 02, 2010 10:31 pm- Forum: Problem Solving
- Topic: Factoring and Simplifying algebraic expressions
- Replies: 1
- Views: 1958
Arithmetic Ratio and proportion
At a certain school, the ratio of the number of second graders to the number of fourth graders is 8 to 5, and the ratio of the number of � rst graders to the number of second graders is 3 to 4. If the ratio of the number of third graders to the number of fourth graders is 3 to 2, what is the ratio...
- by pullagurla
Sat Aug 28, 2010 7:13 pm- Forum: Problem Solving
- Topic: Arithmetic Ratio and proportion
- Replies: 3
- Views: 1309