Gre examen

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New GRE Math Question Types - Pitfalls to avoid
| | | | | | | | | | | | | | |

To answer these Questions, you will either need to enter a number in a single answer box or as
a fraction in two boxes, one corresponding to the numerator & one for the denominator.

Things to watch out for the New GRE Quant Question Types

- In case the answer is a  decimal, round the answeras directed in the Question.

• Round your answer if a question so indicates; otherwise, enter the exact answer.

• Since there are no answer choices, make sure that you answer the exact question asked.

• Pay attention to unit of measures like feet, kilometers, miles etc.

• Check your answer to make sure it seems reasonable with reference to the question.
New GRE Math questions  Practice 
1.  The ratio of days worked to days not worked for a certain employee was 8 to 7 in June. If the employee worked 5 more days in July than in June, then what per cent of the total number of days in July were days that the employee worked?
 
Give your answer to the nearest percent.
 
------------------------%
 
 
 
 
2.
 
n | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | … |
r | 1 | 2 | 2 | 3| 2 | 4 | 2 | 4 | … |

In the table above, the numbers in the row labeled n form the sequence of positive integers and each number in the row labeled r is the number of different positive divisors of the corresponding integer n. What is the value of r that corresponds to the integer 36?
 

r      =     -----------------------
 
 
 
3. A manager has to write performance appraisals for allof her staff. She has written 20% of the total number of appraisals. After she writes 2 more, she will still have 75% of the total number of them to write. How many appraisals will she still have to write?
-----------------------------
 
 
 

4. S is a series of natural numbers. S1 represents the 'i' th number of the series. Si (for i > 2) is equal to the sum of Si – 1 and Si – 2 . Also S2= 5. What is the difference between the square of S100 and the product of S99 and S101 if S1 = S2?
 
--------------------------
 
 
 5. A total of $2,030 was spent for a 30-day vacation. If transportation expenses were $230, lodging was $750, and exactly $20 was spent per day for meals and tips, what was the average (arithmetic mean) amount per day that was spent on other expenses? -------------------- dollars
 
 
 

 
6. A pentagonal prism is to be painted. No two Adjacent faces are painted. In how many ways can the prism be painted?
 
--------------------
 
 
 
 
7. COST OF A TELEPHONE CALL AT DAY AND NIGHT RATES
  | Cost for First Minute | Cost for Each Additional Minute |
Day rate | $ 0.50 | $ 0.34 |
Night Rate | $ 0.20 | $ 0.14 |
 
 
According to thetable above, a night-rate call that costs the same as a 3-minute day rate call would last a total of how many minutes?
 
  -------------------- minutes
 

8. The calorie content of five fruits is measured. The sum of calorie content of three fruits taken at a time are 150, 160, 120, 180, 140, 150, 170, 130, 160 and 140. What is the average calorie content of a fruit?
 
 ----------------------calories
 
 
 

9. If a total of x identical disks can be arranged in 8 stacks of equal height or in 12 stacks of equal height, what is the least possible value of x?
 
x =   ----------------------
 
 
 
 
10.  Forty percent of Mr. Johnson’s seventh-grade class are boys. If on a certain day 10 per cent of the boys and 20 per cent of the girls are absent, what proportion of Mr.Johnson’s class is absent?
 
Give your answer as a fraction.
 
---------/-------
 
 
 
 
 
Answer Key:
 
 Question | Correct Answer |
1 | 68 |
2 | 9 |
3 | 30 |
4 | 25 |
5 | 15 |
6 | 13 |
7 | 8 |
8 | 50 |
9 | 24 |
10 | 4 / 25 |
 
 
 
Detailed Explanations
 
 
1. There are 30 days in June.
working: nonworking days = 8:7 = 16 days : 14 days.
In July = 3: days. He...
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