印度2008年1月GRE考试机经(十)

ORKUT QUANT DATABASE (Till Jan9th)
1. Given xy is not equal to 0 and x is not equal to y and x+y=0
Col a: x-y
Col b: 0
Ans:D

2. The average height of 4 players is 6 feet and 6 inch. If the shortest one is of height 6 feet and 3 inch. What could be the height of the longest person.(Given 1 foot = 12 inches)
Question is similar to this.... with some numerical changes

3. Given 1 kilometer is 0.62 miles.. so how many kilometers is 50 miles?
Ans: 80.64km

4. If there are 'c' cartons and each carton has 'x' boxes which is being loaded in a truck in 'h' hours and 't' minutes.
Col a : The average time for loading the 'x' boxes of all cartons
Col b: cx / (h+t/60)

5. If x< x^3< x^2.Then the value of 'x' is
a. -3/2
b. -1/2
c. 0
d. 1/2
e. 3/2
Ans: b

6. If m= 4^x+4^x+4^x+4^x, then what is m^2?
Ans: 4^2(x+1)

7. If a plane takes 't' seconds to cover a distance of 'y'km. Then how much time is required to cover 'x' distance(in HOURS)? Question is similar to this.... with some numerical changes.
Ans: (x*t) / (3600*y)

8. Given two figures..... one is a circle inscribed in a square and other is a square inscribed in circle. If both have a common radius 'r' then find the area of the two? (Its a comparison question)

9. Find the area enclosed by the region in square units described by 0<=X<=5 and 0<=|y|<=8
1)40 2)80 3)160 4)120

ORKUT QUANT DATABASE (Till Jan8th)
1. The series in which a1= 3 ... and an = a(n-1)+3 (here n-1 is the suffix)
Col a: a100(here 100 is suffix)
Col b: 240

2. There is a series of odd numbers from 1 to n where n is a odd number. What is the probability that a number selected at random will be an odd number?

3. Col a: (3^-8 ) - (3^-9)- (3^-9)
Col b: 3^-9