12 Answered Questions for the topic GRE math
GRE quantitative question
Why / how are these quantities not equal?Question: which Quantity is greater; answer -- Quantity B is greater.A: n*m / m-nB: pThe following equation is provided: 1/n - 1/m = 1/pI isolated p such... more
GRE practice question
If one-half of a number is 2 more that one-third of the number, what is the number?(a) 2 (b) 6 (c) 12 (d) 20 (e) 24
GRE practice question
when 2/5 of a certin number is added to the number and the sum is subtracted from 108, the result is the orginal number. What is the orginal number.(a) 35 (b) 45 (c) 54 (d) 135/2 (e) 270
Population word problem
In 1984, the populations of 1,210 different towns were all different than their populations in 1980. The number of populations that were greater in 1984 than in 1980 was 20% greater than the number... more
To construct one three-digit number and one two-digit number from 1,2,3,4,5 without using any number twice, what’s the probability of getting two even numbers?
Consider taking balls from a box without replacement.
The probability of getting a red ball in the first draw is 5/8; the probability of not getting a red ball at the first draw but a red ball at the second draw is 2/3. What’s the probability of... more
jack and jason are in a community of 100 where 40 of them are going to have a trip, what's the probability that jack and jason to be selected?
This is a GRE math problem
Set A has n different numbers, Set A has exactly 6 subsets that have 2 numbers. What's the value of n?
How many different 5-digit positive integers can be formed using the digits 1, 2, 3, 4, 5, 6, and 7 if none of the digits can occur more than once in the integer?
Why do you have to use permutation for this question and not combination? I don't understand why the order would matter
in a bag of coins, 2/5 are pennies, 1/3 are nickels, 1/4 are dimes, and there are 5 quarters. if there are no other coins in the bag, what is the total number of coins?
GRE MATH QUESTION
A manager is forming a 6 person team to work on a certain project. From the 11 candidates available the manager has already chosen 3. In selecting the other 3 how many different combinations of 3... more