April- 25 - GRE Quants Que

Quants:

1. There are five numbers in a series, 19, 22, 25, 26, 28..each number is increased by k so that the new mean is 28.5, what is the new median?


2. A parobola is given and was intersecting y-axis at one point given, y = x^2-3, and a point in xy-plane is P(2,k). What is the distance between the point P and that of intersecting on y-axis?
A. 6
B. 7
C. 2sqrt(5)
D. 3sqrt(3 )


3. If a person used to get a 30% discount on movie tickets. When the price of the movie ticket increased by 50%, the amount of discount in dollars remained the same. What is his discount with the new Ticket price in percent terms?


4. If -1 < x< 0
Col A: mod(x-1/2)
Col B: mod (-x-1/2)


5. A number x leaves remainder 7 when divided by 11
when divided by 5 leaves remainder 1
Col a: least possible value of x
Col b: 40


6. Given there are 50 numbers, if the average of the first 25 numbers is 16, next 10 numbers is 15 and the last set is 20. What is the average of the entire set ?