Search found 10 matches


OG Shawana made a schedule

https://s12.postimg.org/jdjf7q615/readingschedule.jpg Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation. She has checked out 12 books from the library. The number of pages in each book and the order in which she plans to read the books are shown in the table ...

by aaron1981

Thu Aug 17, 2017 8:38 pm
Forum: Problem Solving
Topic: OG Shawana made a schedule
Replies: 4
Views: 2915

The first data is usable because it helps to find the number ,since it is odd root Other information is talking about 6th root ( which is even) So your original number could be negative or positive All in all, the answer is A I think the second one is also usable since '9' is positive and its a roo...

by aaron1981

Thu Aug 17, 2017 4:36 am
Forum: Data Sufficiency
Topic: What is the square root of x?
Replies: 4
Views: 1325

What is the square root of x?

What is the square root of x?

1) The cube root of x is 81.
2) The 6th root of x is 9.

Pl. help me with this confusing question.

by aaron1981

Wed Aug 16, 2017 8:03 pm
Forum: Data Sufficiency
Topic: What is the square root of x?
Replies: 4
Views: 1325

A marathoner ran for two days.

A marathoner ran for two days. On the second day, he ran at an average speed of 3 miles per hour faster than he ran on the first day. If during the two days he ran a total of 36 miles and did a total of 8 hours running, which of the following could be his average speed, in miles per hour, on the fir...

by aaron1981

Wed Jul 19, 2017 12:49 am
Forum: Problem Solving
Topic: A marathoner ran for two days.
Replies: 4
Views: 1297

The average of seven numbers

The average of seven numbers is 20. The average of the first four numbers is 19 and that of the last four is 24. What is the value of the fourth number?

(A) 23
(B) 25
(C) 32
(D) 43
(E) 63

OA C

by aaron1981

Thu Jul 13, 2017 5:07 am
Forum: Problem Solving
Topic: The average of seven numbers
Replies: 7
Views: 6765

Set S consists of the integers

Set S consists of the integers {1, 2, 3, 4 ... „(2n +‚ 1)…}, where n is a positive integer. If X is the average of the odd integers in set S and Y is the average of the even integers in set S, what is the value of „(X – Y)…?

(A) 0
(B) 1/2
(C) 1
(D) 3/2
(E) 2

OA A

by aaron1981

Thu Jul 13, 2017 5:04 am
Forum: Problem Solving
Topic: Set S consists of the integers
Replies: 3
Views: 1405

If a, b and c are single digit numbers

If a, b and c are single digit numbers from 1 to 9, inclusive, is „(a + ‚b +‚ c)… divisible by 9?

(1) The number 2ab3 is divisible by 9.
(2) The number 4bc1 is divisible by 9.

OA E

by aaron1981

Tue Jun 20, 2017 4:58 am
Forum: Data Sufficiency
Topic: If a, b and c are single digit numbers
Replies: 3
Views: 1333

If p and q are integers

If p and q are integers, can (q–1) always be expressed as an integer multiple of p?

(1) p > q
(2) q > 1

OA C

by aaron1981

Tue Jun 20, 2017 4:52 am
Forum: Data Sufficiency
Topic: If p and q are integers
Replies: 2
Views: 2572

The remainder, when a number n

The remainder, when a number n is divided by 6, is p. The remainder, when the same number n is divided by 12, is q. Is p < q?

(1) n is a positive number having 8 as a factor.
(2) n is a positive number having 6 as a factor.

OA C

Pl. help me with algebraic way as well as plug-in value way.

by aaron1981

Tue Jun 13, 2017 11:32 pm
Forum: Data Sufficiency
Topic: The remainder, when a number n
Replies: 2
Views: 1076

What is the remainder

What is the remainder when 2n is divided by 8?

(1) n, when divided by 6, leaves remainder 5.
(2) 3n, when divided by 6, leaves remainder 3.

OA E

I wish to know if assuming a suitable value the best approach?

by aaron1981

Tue Jun 13, 2017 11:27 pm
Forum: Data Sufficiency
Topic: What is the remainder
Replies: 4
Views: 1785