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Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to

Re: Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to

Seven children — A, B, C, D, E, F, and G — are going to sit in seven chairs in a row. Child A has to sit next to both B & G, with these two children immediately adjacent to Child A on either side. The other four children can sit in any order in any of the remaining seats. How many possible configur...

What is the remainder when n is divided by 26, given that n divided by 13 gives

Re: What is the remainder when n is divided by 26, given that n divided by 13 gives

What is the remainder when n is divided by 26, given that n divided by 13 gives “a” as the quotient and “b” as the remainder? (a, b and n are positive integers) (1) a is odd (2) b = 3 OA C Source: Veritas Prep Target question : What is the remainder when n is divided by 26 Given : n divided by 13 g...

If a, b, c, and d denote positive integers in the figure above, what is the value of the product abcd ?

Re: If a, b, c, and d denote positive integers in the figure above, what is the value of the product abcd ?

1.png If a, b, c, and d denote positive integers in the figure above, what is the value of the product abcd ? (1) In each of columns S and T, the product of the three numbers equals the product of the four numbers in row R. (2) a + b + c + d = 26 OA A Source: GMAT Prep Given : a, b, c, and d denote...

Tanya prepared 4 different letters to be sent to 4 different addresses. For each letter, she prepared an envelope with

Re: Tanya prepared 4 different letters to be sent to 4 different addresses. For each letter, she prepared an envelope wi

Tanya prepared 4 different letters to be sent to 4 different addresses. For each letter, she prepared an envelope with its correct address. If the 4 letters are to be put into the 4 envelopes at random, what is the probability that only 1 letter will be put into the envelope with its correct addres...

What is the units digit of x² - y² ?

Re: What is the units digit of x² - y² ?

What is the units digit of x² - y² ? (1) x - y is a positive multiple of 3 (2) x + y is a positive multiple of 10 Answer: C Source: gmatprepnow.com Target question : What is the units digit of x² - y² ? Strategy: When I scan the two statements, I see that they're related to Integer Properties (divi...

by [email protected]

Tue Nov 22, 2022 6:57 am
Forum: Data Sufficiency
Topic: What is the units digit of x² - y² ?
Replies: 1
Views: 97

A positive number x is multiplied by 2, and this product is then divided by 3. If the positive square root of the result

Re: A positive number x is multiplied by 2, and this product is then divided by 3. If the positive square root of the re

A positive number x is multiplied by 2, and this product is then divided by 3. If the positive square root of the result of these two operations equals x, what is the value of x ? (A) 9/4 (B) 3/2 (C) 4/3 (D) 2/3 (E) 1/2 OA D Source: Official Guide A positive number x is multiplied by 2... We get: 2...

What is the units digit of x² - y² ?

What is the units digit of x² - y² ?

What is the units digit of x² - y² ?

(1) x - y is a positive multiple of 3
(2) x + y is a positive multiple of 10

Source: gmatprepnow.com

by [email protected]

Mon Nov 21, 2022 7:16 am
Forum: Data Sufficiency
Topic: What is the units digit of x² - y² ?
Replies: 1
Views: 97

In the correctly worked addition problem shown, P, Q, R, and S are digits.

Re: In the correctly worked addition problem shown, P, Q, R, and S are digits.

#gmatclub.jpg In the correctly worked addition problem shown, P, Q, R, and S are digits. If Q = 2P, which of the following could be the value of S ? (A) 3 (B) 2 (C) 1 (D) -1 (E) -2 OA A Source: Official Guide For this question, it's best to use number sense. However, we can also solve this question...

Joe regularly drives the 400 miles from A-ville to B-town

Re: Joe regularly drives the 400 miles from A-ville to B-town

Joe regularly drives the 400 miles from A-ville to B-town at the same constant speed of r miles per hour. If Joe drives 30 mph faster than usual, it takes him 3 fewer hours to complete the trip. What is the value of r? (A) 45 (B) 50 (C) 55 (D) 65 (E) 80 Answer: B Source: gmatprepnow.com STRATEGY : ...

by [email protected]

Sun Nov 20, 2022 7:26 am
Forum: Problem Solving
Topic: Joe regularly drives the 400 miles from A-ville to B-town
Replies: 1
Views: 90

Joe regularly drives the 400 miles from A-ville to B-town

Joe regularly drives the 400 miles from A-ville to B-town

Joe regularly drives the 400 miles from A-ville to B-town at the same constant speed of r miles per hour. If Joe drives 30 mph faster than usual, it takes him 3 fewer hours to complete the trip. What is the value of r?

(A) 45
(B) 50
(C) 55
(D) 65
(E) 80

Source: gmatprepnow.com

by [email protected]

Wed Nov 16, 2022 7:00 am
Forum: Problem Solving
Topic: Joe regularly drives the 400 miles from A-ville to B-town
Replies: 1
Views: 90

How many multiples of 4 are there between 16 and 260 ?

Re: How many multiples of 4 are there between 16 and 260 ?

How many multiples of 4 are there between 16 and 260 ? A. 128 B. 64 C. 62 D. 61 E. 60 OA E Source: Princeton Review If you're not good at remembering formulas, then another option is to look for a pattern. So, we want to know how many terms are in the sequence 20, 24, 28, . . .. 252, 256 Notice tha...

by [email protected]

Wed Nov 16, 2022 6:56 am
Forum: Problem Solving
Topic: How many multiples of 4 are there between 16 and 260 ?
Replies: 2
Views: 172

In Country X, 1/2 of the population can speak English, 1/3 can speak French, and 1/5 can speak both English and French.

Re: In Country X, 1/2 of the population can speak English, 1/3 can speak French, and 1/5 can speak both English and Fren

GMAT Prep In Country X, 1/2 of the population can speak English, 1/3 can speak French, and 1/5 can speak both English and French. What fraction of the population of Country X can speak neither English nor French? A. 2/15 B. 1/6 C. 3/10 D. 11/30 E. 13/30 OA D Here, we have a population of citizens, ...

When 1,000 children were inoculated with a certain vaccine, some developed inflammation at the site of the inoculation

Re: When 1,000 children were inoculated with a certain vaccine, some developed inflammation at the site of the inoculati

When 1,000 children were inoculated with a certain vaccine, some developed inflammation at the site of the inoculation and some developed fever. How many of the children developed inflammation but not fever ? (1) 880 children developed neither inflammation nor fever (2) 20 children developed fever ...

How many positive integers less than 1000 have exactly 5 positive divisors?

Re: How many positive integers less than 1000 have exactly 5 positive divisors?

How many positive integers less than 1000 have exactly 5 positive divisors? (A) 3 (B) 4 (C) 5 (D) 6 (E) 7 Answer: A Source: www.gmatprepnow.com -----------ASIDE------------------ If the prime factorization of N = (p^ a )(q^ b )(r^ c ) . . . (where p, q, r, etc are different prime numbers), then N h...

If x and y are positive integers, what is the value of xy?

Re: If x and y are positive integers, what is the value of xy?

If x and y are positive integers, what is the value of xy? (1) The greatest common factor of x and y is 10 (2) The least common multiple of x and y is 180 OA C Source: GMAT Prep Target question : What is the value of xy? Statement 1 : The greatest common factor of x and y is 10 case a: x=10 and y=1...

by [email protected]

Sun Oct 30, 2022 6:31 am
Forum: Data Sufficiency
Topic: If x and y are positive integers, what is the value of xy?
Replies: 1
Views: 113