Search found 113 matches


Hi, Bargain books = BB Discounted books = DB Total books = TB From the prompt, we have BB = 30% of DB or BB = 0.30DB or BB/DB = 0.30 We also know that BB = 18% of TB or BB= 0.18TB or BB/TB = 0.18 We have to find the value of DB/TB (percent of the discounted books in the store) from the above two equ...

by manik11

Tue Dec 27, 2016 2:18 am
Forum: Problem Solving
Topic: In a certain bookstore, 30 percent
Replies: 4
Views: 2955

Hi,
Charge for the first 1/5th of the mile = $3.10
Complete ride = 8 mile ; Remaining = 8-1/5 = 39/5 mile

You have 39 (1/5ths) remaining now. Charge for additional 1/5th of a mile = 39*0.40 = $15.60
Total = $3.10 + $15.60 = $18.70

Answer: D

by manik11

Tue Dec 27, 2016 2:07 am
Forum: Problem Solving
Topic: A certain taxi company charges $3.10
Replies: 6
Views: 4637

Hi,
The prompt asks you to find the range of the POSITIVE integers in the set.
Zero is not positive or negative for that matter. You should count zero as one of the even integers though.

In the question the Range of POSITIVE integers would be 24-2 = 22

OA : A

by manik11

Tue Dec 27, 2016 1:56 am
Forum: Problem Solving
Topic: Consecutive even numbers
Replies: 5
Views: 3118

A: whether or not The red portion is redundant, since it can be omitted with no loss of meaning. The following is sufficient to convey the intended meaning: To determine whether white cabbage butterflies discriminate, entomologists have designed an experiment. Eliminate A. if serves to introduce a ...

by manik11

Mon Aug 22, 2016 10:53 pm
Forum: Sentence Correction
Topic: In order to determine whether or not white cabbage
Replies: 3
Views: 2220

So the length of the edges of the four sides and of the bottom will be 1/3 of the length of the original piece of cardboard. Marty, Could you please explain this part of the solution again. I just can't get how the sides of the cube would be 1/3rd of the side of the original cardboard. Thanks! Manik

by manik11

Tue May 31, 2016 4:29 am
Forum: Data Sufficiency
Topic: Square cardboard
Replies: 4
Views: 1918

Square cardboard

A flat square piece of cardboard is to be made into a cubic open box by cutting 4 equal squares from its edges. What is the volume of the box created? (1) The area of the cardboard piece is 144 square inches. (2) Each of the squares that are cut from the cardboard has an area of 16 square inches. OA...

by manik11

Mon May 30, 2016 11:40 pm
Forum: Data Sufficiency
Topic: Square cardboard
Replies: 4
Views: 1918

Identical cylinders

If the maximum number of identical cylinders, standing upright and touching the edges, that can be fit into a rectangular box with a square base is 200, what is the volume of the box?

(1) The radius of each cylinder is 5 centimeters.
(2) The height of the box is 80 centimeters.

OA : E

by manik11

Wed May 25, 2016 8:16 am
Forum: Data Sufficiency
Topic: Identical cylinders
Replies: 3
Views: 1517

Square Countertop

A square countertop has a square tile inlay in the center, leaving an untiled strip of uniform width around the tile. If the ratio of the tiled area to the total area of the countertop is 9 to 16, which of the following could be the width, in inches, of the strip? I. 3 II. 5 III. 6 A) I only B) III ...

by manik11

Mon May 23, 2016 6:27 am
Forum: Problem Solving
Topic: Square Countertop
Replies: 1
Views: 1201

Circle and Square

Is the area of circle X larger than the area of square Y?

(1) The diagonal of square Y is greater than the diameter of circle X.
(2) The perimeter of square Y is equal to the circumference of circle X.

OA : B

by manik11

Sun May 22, 2016 1:06 am
Forum: Data Sufficiency
Topic: Circle and Square
Replies: 1
Views: 1275

Bicycle

If a bicycle has two wheels of different sizes, at how many rotations per minute does the larger wheel rotate?
(1) The smaller wheel rotates at 3 meters per second.
(2) The larger wheel has a diameter twice as long as the smaller one.

OA : E

by manik11

Thu May 19, 2016 8:43 am
Forum: Data Sufficiency
Topic: Bicycle
Replies: 3
Views: 1491

Triangle

If a triangle has sides 8, 10, and z, which of the following cannot be the area of the triangle?

A) 3
B) 6
C) 12
D) 24
E) 46

OA: E

by manik11

Wed May 18, 2016 7:36 am
Forum: Problem Solving
Topic: Triangle
Replies: 2
Views: 1071

LCM and GCF

If the least common multiple of integers x and y is 840, what is the value of x?

(1) The greatest common factor of x and y is 28.
(2) y = 168

OA : C

by manik11

Sun May 15, 2016 9:25 am
Forum: Data Sufficiency
Topic: LCM and GCF
Replies: 2
Views: 1554

If r and s are both less than 1, is r^2 + s^2 >1 ? (1) r^2 + s > 1 (2) r + s > 1/2 Both statements are satisfied by the following cases: r=2/3 and s=2/3 r=3/4 and s=3/4 In the first case, r² + s² < 1. In the second case, r² + s² > 1. Thus, the two statements combined are INSUFFICIENT. The corre...

by manik11

Mon Apr 11, 2016 8:29 am
Forum: Data Sufficiency
Topic: r^2 + s^2 >1 ?
Replies: 8
Views: 1997

In ascending order, let the 9 distinct integers be a, b, c, d, M, e, f, g, h, where M = median. Statement 1: The product of the nine integers in list S is equal to the median of list S. Thus: a*b*c*d*M*e*f*g*h = M. If M is a nonzero integer, we can divide each side by M, with the following result: ...

by manik11

Mon Apr 11, 2016 7:51 am
Forum: Data Sufficiency
Topic: the median of the integers in list S positive
Replies: 5
Views: 1704

r^2 + s^2 >1 ?

If r and s are both less than 1, is r^2 + s^2 >1 ?

(1) r^2 + s > 1
(2) r + s > 1/2


OA : E
Source : Bell Curves

by manik11

Mon Apr 11, 2016 7:36 am
Forum: Data Sufficiency
Topic: r^2 + s^2 >1 ?
Replies: 8
Views: 1997