## Search found 2258 matches

#### Distance And Speed Problems, Geometry

##### Distance And Speed Problems, Geometry

Two airplanes take off from one airfield at noon. One flies due east at $$200$$ miles per hour while the other flies directly northeast at $$283$$ miles per hour. Approximately how many miles apart are the airplanes at $$2 p.m.?$$

A. $$166$$
B. $$332$$
C. $$400$$
D. $$483$$
E. $$566$$

The OA is C

by swerve

Wed Jul 10, 2024 5:08 pm
Forum: Problem Solving
Topic: Distance And Speed Problems, Geometry
Replies: 0
Views: 166

#### Probability

##### Probability

A group of $$30$$ people includes men, women and children. If one person is to be chosen at random from the group, is the probability that a man is chosen greater than the probability that a woman is chosen? 1. The probability that a man is chosen is $$50\%$$ greater than the probability that a chil...

by swerve

Wed Jul 10, 2024 4:53 pm
Forum: Data Sufficiency
Topic: Probability
Replies: 0
Views: 51

#### Distance And Speed Problems

##### Distance And Speed Problems

A certain train is traveling at a constant rate. If the train travels $$s$$ miles in $$t$$ hours, in how many hours will the train travel $$y$$ miles?

A. $$\dfrac{sy}{t}$$

B. $$\dfrac{st}{y}$$

C. $$\dfrac{ty}{s}$$

D. $$\dfrac{s}{ty}$$

E. $$\dfrac{s+y}{t}$$

The OA is C

by swerve

Wed Jul 10, 2024 4:32 pm
Forum: Problem Solving
Topic: Distance And Speed Problems
Replies: 0
Views: 69

#### Percent And Interest Problems

##### Percent And Interest Problems

How much is $$10$$ percent of a number?

1. $$20$$ percent of the number is $$40$$

2. $$50$$ percent of the number is $$100$$

The OA is D

by swerve

Tue Jul 02, 2024 6:37 am
Forum: Data Sufficiency
Topic: Percent And Interest Problems
Replies: 0
Views: 196

#### Min-Max Problems, Percent And Interest Problems, Word Problems

##### Min-Max Problems, Percent And Interest Problems, Word Problems

Of the $$200$$ math majors at a certain university, $$30$$ percent will be assigned to advanced calculus on Monday and Wednesday and the remaining $$70$$ percent will be assigned to advanced calculus on Tuesday and Thursday. However, $$40$$ percent of the math majors prefer Tuesday and Thursday and ...

by swerve

Tue Jul 02, 2024 6:28 am
Forum: Problem Solving
Topic: Min-Max Problems, Percent And Interest Problems, Word Problems
Replies: 0
Views: 75

#### Percent And Interest Problems, Word Problems

##### Percent And Interest Problems, Word Problems

Jay's net income equals his gross income minus his deductions. By what percent did Jay's net income change as of December $$31$$, when both his gross income and his deductions increased? 1. Jay's gross income increased by $$8$$ percent on December $$31$$ 2. Jay's deductions increased by $$16$$ perce...

by swerve

Tue Jul 02, 2024 6:12 am
Forum: Data Sufficiency
Topic: Percent And Interest Problems, Word Problems
Replies: 0
Views: 73

#### Percent And Interest Problems

##### Percent And Interest Problems

In the modern era, the global population of humans has increased by $$1$$ billion people approximately every $$13$$ years. If that rate were to continue, approximately how many years would it take for the Earth’s population to double from its current population of $$7$$ billion people? A. $$26$$ B. ...

by swerve

Tue Jul 02, 2024 5:59 am
Forum: Problem Solving
Topic: Percent And Interest Problems
Replies: 0
Views: 71

#### Arithmetic, Exponents

##### Arithmetic, Exponents

For which of the following values of $$n$$ is $$(-0.5)^n$$ the greatest?

A. $$5$$
B. $$4$$
C. $$3$$
D. $$2$$
E. $$1$$

The OA is D

by swerve

Sat Jun 15, 2024 3:11 pm
Forum: Problem Solving
Topic: Arithmetic, Exponents
Replies: 0
Views: 180

#### Geometry

##### Geometry

If $$wxyz ≠ 0$$, in what quadrant of the coordinate system above does point $$(x, y)$$ lie?

1) $$(x, z)$$ lies in quadrant I

2) $$(w, y)$$ lies in quadrant III

The OA is C

by swerve

Sat Jun 15, 2024 2:54 pm
Forum: Data Sufficiency
Topic: Geometry
Replies: 0
Views: 125

#### Exponents, Multiples And Factors

##### Exponents, Multiples And Factors

What is the greatest integer, $$k$$, such that $$5^k$$ is a factor of the product of the integers from $$1$$ through $$24$$, inclusive?

A. $$1$$
B. $$2$$
C. $$3$$
D. $$4$$
E. $$5$$

The OA is D

by swerve

Sat Jun 15, 2024 2:46 pm
Forum: Problem Solving
Topic: Exponents, Multiples And Factors
Replies: 0
Views: 482

#### Arithmetic

##### Arithmetic

A team played more than $$50$$ and less than $$60$$ matches in an entire year. Each match ended in either a win or a loss for this team. Did this team play more than $$55$$ matches in that year? 1) The team won $$2/3$$ of the first $$1/3$$ of its matches played during the year 2) Out of its latter h...

by swerve

Sun Jun 09, 2024 2:12 pm
Forum: Data Sufficiency
Topic: Arithmetic
Replies: 0
Views: 181

#### Arithmetic, Number Properties

##### Arithmetic, Number Properties

If $$3^k$$ is a divisor of the product of all even integers between $$2$$ and $$30$$ (inclusive), what is the maximum value of $$k?$$

A. $$4$$
B. $$6$$
C. $$10$$
D. $$13$$
E. $$14$$

The OA is B

by swerve

Sun Jun 09, 2024 2:05 pm
Forum: Problem Solving
Topic: Arithmetic, Number Properties
Replies: 0
Views: 216

#### Arithmetic, Distance And Speed Problems

##### Arithmetic, Distance And Speed Problems

Truck $$T_1$$ gives an average of $$M_1$$ miles per gallon of petrol while truck $$T_2$$ gives an average of $$M_2$$ miles per gallon of petrol. Both trucks travelled from a city to another, covering a distance of $$1200$$ miles each in this process. What is the difference in the number of gallons o...

by swerve

Sun Jun 09, 2024 1:55 pm
Forum: Data Sufficiency
Topic: Arithmetic, Distance And Speed Problems
Replies: 0
Views: 110

#### Arithmetic

##### Arithmetic

Ten years ago, the average age of a couple was $$27$$ years old. Today also the average age of the couple and their baby is $$27$$ years old. Find the present age of the baby.

A. $$4$$
B. $$3$$
C. $$2$$
D. $$5$$
E. $$7$$

The OA is E

by swerve

Sun Jun 09, 2024 1:43 pm
Forum: Problem Solving
Topic: Arithmetic
Replies: 1
Views: 204

#### Percent And Interest Problems

##### Percent And Interest Problems

If the current price per gallon of gas were to be decreased by approximately $$25$$ percent, $$10$$ more gallons could be bought for $$\66.$$ What is the current price per gallon of gas?

A. $$\1.45$$
B. $$\1.65$$
C. $$\1.80$$
D. $$\2.20$$
E. $$\2.40$$

The OA is D

by swerve

Sun Jun 02, 2024 8:03 am
Forum: Problem Solving
Topic: Percent And Interest Problems
Replies: 0
Views: 215