## Search found 3650 matches

#### games of â€˜Heartsâ€™

##### games of â€˜Heartsâ€™

In the 285 games of â€˜Heartsâ€™ San played, he had registered 141 wins. How many more games of â€˜Heartsâ€™ does San need to play and win, in order to register 50 percent wins overall?
A. 11
B. 9
C. 7
D. 5
E. 3

by sanju09

Thu Jan 21, 2016 2:41 am
Forum: Problem Solving
Topic: games of â€˜Heartsâ€™
Replies: 1
Views: 668

#### Triangle : gmat prep

###### Problem Solving

Shorter and quicker way? If we drop RS perpendicular to x-axis to meet x-axis in S, then OQRS is a trapezoid, whose area is Â½ (3 + 4) (7) = 24.5; and the required area is obtained by chopping right triangles POQ and PSR out of 24.5 (see figure). Area POQ = Â½ (4)(3) = 6, and Area PSR = Â½ (4)(3) =...

by sanju09

Thu Dec 31, 2015 10:54 pm
Forum: Problem Solving
Topic: Triangle : gmat prep
Replies: 20
Views: 4764

#### statements must be true for all integers a, b and c?

###### Problem Solving

If the operation @ is defined for all integers a and b by a@b=a+b-ab, which of the following statements must be true for all integers a, b and c? I. a@b = b@a II. a@0 = a III. (a@b)@c = a@(b@c) (A) I only (B) II only (C) I and II only (D) I and III only (E) I, II and III I know how to solve it usin...

by sanju09

Thu Dec 31, 2015 10:15 pm
Forum: Problem Solving
Topic: statements must be true for all integers a, b and c?
Replies: 5
Views: 2479

#### Which of the following statements can be inferred from the

###### Problem Solving

Rough estimation tells us that most of the readings are around 40 or fairly above 40. Hence, the average (arithmetic mean) annual income for the period shown will be greater than 40. Hence, only [spoiler] (I) and (III) are correct. pls can you elaborate on this point? thks A quick rough summation o...

by sanju09

Sun Dec 27, 2015 1:16 am
Forum: Problem Solving
Topic: Which of the following statements can be inferred from the
Replies: 3
Views: 5241

#### Which of the following statements can be inferred from the

###### Problem Solving

Which of the following statements can be inferred from the data above? I. The Klein family's annual income more than doubled from 1985 to 1995. II. The Klein family's annual income increased by a greater amount from 1985 to 1990 than from 1990 to 1995. III. The Klein family's average (arithmetic me...

by sanju09

Sat Dec 26, 2015 5:03 am
Forum: Problem Solving
Topic: Which of the following statements can be inferred from the
Replies: 3
Views: 5241

#### OG 13 200

###### Problem Solving

The ratio, by volume, of soap to alcohol to water in a certain solution is 2:50:100. The solution will be altered so that the ratio of soap to alcohol is doubled while the ratio of soap to water is halved. If the altered solution will contai 100 cubic centtimeters of alcohol, how many cubic centtim...

by sanju09

Thu Dec 24, 2015 3:07 am
Forum: Problem Solving
Topic: OG 13 200
Replies: 1
Views: 930

#### OG 13 199

###### Problem Solving

0.99999999/1. 0 001 - 0.99999991/1.0003 A. 10^-8 B. 3(10^-8) C. 3(10^-4) D. 2(10^-4) E. 10^-4 Answer: D Please help simplify quickest way possible. A 0 is missing in the first denominator, anyway: All the numerators and denominators here are close to 1, but numerators are far more closer to 1 than ...

by sanju09

Thu Dec 24, 2015 2:42 am
Forum: Problem Solving
Topic: OG 13 199
Replies: 3
Views: 1715

#### OG 13 198

###### Problem Solving

Last Sunday a certain store sold copies of Newspaper A of $1.00 each and copies of ewspaper B for$1.25 each, and the store sold no other newspapers that day. If r percent of the store's revenue from newspaper sales was from Newspaper A and if p percent of the newspapers that the store sold weere c...

by sanju09

Thu Dec 24, 2015 2:23 am
Forum: Problem Solving
Topic: OG 13 198
Replies: 3
Views: 1431

#### percentage

###### Problem Solving

If the selling price is doubled,the profit is trippled,what is the percentage of profit?? 1) 50% 2) 100% 3) 150% 4) 200% 5) 250% When c is cost price and p is profit, the selling price is c + p and the percentage of profit is (p/c) 100%. But, when the selling price is made 2 (c + p), the profit bec...

by sanju09

Fri Dec 11, 2015 3:37 am
Forum: Problem Solving
Topic: percentage
Replies: 3
Views: 1197

#### Geometry

###### Problem Solving

A square wooden plaque has a square brass inlay in the center, leaving a wooden strip of uniform width around the brass square. lf the ratio of the brass area to the wooden area is 25 to 39, which of the following could be the width, in inches, of the wooden strip? i. 1 ii. 3 iii. 4 (A) I onlY (B) ...

by sanju09

Wed Dec 09, 2015 11:54 pm
Forum: Problem Solving
Topic: Geometry
Replies: 8
Views: 4777

#### Help

###### Problem Solving

A retailer sold an appliance for 30 percent above cost, which represented a gross profit of $21.00. For what price did the retailer sell the appliance? (A)$27.30 (B) $51.00 (C)$63.00 (D) $70.00 (E)$91.00 30 percent of what is $21.00? It's$70.00; and selling price must be more than \$70.00. Only ...

by sanju09

Wed Dec 09, 2015 3:20 am
Forum: Problem Solving
Topic: Help
Replies: 3
Views: 1090

#### square roots doubt

###### Problem Solving

Hi, Can someone please help me understand the following questions and how are they different? 1. If g(x) = 3x + x^1/2, what is the value of g(d2 + 6d + 9)? In the above question they have taken both (d+3) and -(d+3) for x^1/2 to solve the equation 2. if x is negative and y is positive, what is (4x^...

by sanju09

Wed Nov 25, 2015 2:57 am
Forum: Problem Solving
Topic: square roots doubt
Replies: 2
Views: 930

#### theTeam-11 must win

###### Problem Solving

The Team-11 has played half of its due number of matches so far, out of which it has won 40 percent of the matches and lost the rest of these. Which of the following value could represent the possible number of the remaining matches the Team-11 must win in order to register an overall win percent o...

by sanju09

Thu Nov 19, 2015 5:08 am
Forum: Problem Solving
Topic: theTeam-11 must win
Replies: 13
Views: 2928

#### theTeam-11 must win

##### theTeam-11 must win

The Team-11 has played half of its due number of matches so far, out of which it has won 40 percent of the matches and lost the rest of these. Which of the following value could represent the possible number of the remaining matches the Team-11 must win in order to register an overall win percent of...

by sanju09

Wed Nov 18, 2015 11:29 pm
Forum: Problem Solving
Topic: theTeam-11 must win
Replies: 13
Views: 2928

#### no two ladies sit together?

###### Problem Solving

Such a great explanation, Brent! Nothing is clearer than this, it's just just treat to watch. Itâ€™s simply a practical and methodical approach to such problems, where formulaic approaches such as 9!/(5!*4!) = 126 ..... could make one confused whether itâ€™s a Permutation case or what? Formulaic app...

by sanju09

Thu Oct 08, 2015 10:42 pm
Forum: Problem Solving
Topic: no two ladies sit together?
Replies: 9
Views: 32516