All GMAT Math Resources
Example Questions
Example Question #131 : Arithmetic
What is ?
is equal to
Example Question #132 : Arithmetic
is of what number?
Let be the number in question. of this number is equal to , so
Example Question #141 : Arithmetic
Jill buys a new tablet for . If she used a coupon and received off of the original price, what was the percent discount she received?
Jill buys a new tablet for . If she used a coupon and received off of the original price, what was the percent discount she received?
So, to find percent discount, we need to calculate the original price.
Then, we need to find the percent of the discount. To do so, simply divide the amount of the discount by the original amount, then multiply by 100
Example Question #142 : Arithmetic
of a certain number is . What is the number?
Here, we need to first convert the percent into a fraction. Then, we will solve the equation. Our number is unknown, so I will call it
Example Question #1691 : Problem Solving Questions
Given a number , which of these is the greatest quantity of the three?
(a) 30% of 40% of 50% of
(b) 40% of 50% of 30% of
(c) 50% of 30% of 40% of
30% of 40% of 50% of
50% of 30% of 40% of
40% of 50% of 30% of
It is impossible to tell without knowing the value of
All three are equal to one another
All three are equal to one another
All three are equal.
30% of 40% of 50% of is of of of : that is,
40% of 50% of 30% of is of of of : that is,
50% of 30% of 40% of is of of of : that is
Example Question #141 : Arithmetic
The ratio 4 to is equal to which of the following ratios?
to
to
to
to
to
to
The ratio to is equal to which is .
can be written as the ratio to .
Example Question #142 : Arithmetic
The annual budget for a road construction project is $25,200 budgeted equally over 12 months. If by the end of the third month the actual expenses have been $7,420, how much has the construction project gone over budget?
The monthly budget is found by:
which for 3 months is a budget of:
To find out how much they are over budget the budgeted amount is subtracted from the actual expenses.
Example Question #1 : Calculating Ratio And Proportion
The ratio to is equal to the ratio:
The ratio to is the same as ,
which equals a ratio of to .
Also, if you double both sides of the ratio, you get to .
Example Question #1 : Calculating Ratio And Proportion
Nishita has necklaces, bracelets, and rings in a ratio of 7:5:4. If she has 64 jewelry items total, how many bracelets does she have?
bracelets:
Example Question #1 : Calculating Ratio And Proportion
A box contains red and blue marbles. The probablity of picking a red is . There are 30 blue marbles. How many total marbles are there?
If are red, then are blue, and the number of blue marbles can be written as
Plug in the number of blue marbles, 30, and solve for the total marbles.