hi frnds, I will take my GRE exam. on the last week of sept and it will be really helpful for my side, if anyone explain the following bb question(apologize if the following question was clarify before).
1. Two tanks, X and Y , are filled to capacity with jet fuel, Tank X holds 600 gallons more than tank Y. If 100 gallons of fuel were to be pumped from each tank, tank X would then contain 3 times as much fuel as tank Y. What is the total number of gallons of fuel in the two full tanks?
a) 1400.(ANS)
b) 1200.
c) 1000.
d) 900.
e) 800.
2. If the value of the expression above is to be halved by doubling exactly one of the five numbers a,b,c,d or e, which should be doubled?
a)a,
b)b,
c) c,
d) d,(Ans)
e)e,
3. if r & s r positive integers, each greater than 1, if 11(s-1)=13(r-1), what is the least possible value of r+s?.
a) 2.
b) 11.
c) 22.
d) 24.
e) 26.(Ans).
4. The rectangular solid(RapidShare: Easy Filehosting), is made of eight cubes of the same size , each of which has exactly one face painted blue. What is the greatest fraction of the total surface area of the solid that could be blue.(bb_test 9_section3_28)
a) 1/6.
b) 3/24.
c) 1/4.
d) 2/7.(Ans)
e) 1/3.
5) If the figure(RapidShare: Easy Filehosting) is a rectangular solid composed of cubes, each with edge of length 4 centimeters, what is the volumn of the rectangular solid in cubic centimeters?(bb_test 9_section5_28).
a) 100.
b) 256.
c) 400.
d) 5120.
e) 6400.Ans)
6) A cyclist travels x miles in w hours & z minusted. What is the cyclists speed in miles per hours?
a) x/(w+60z).
b) (6ow+z)/x
c) 60x/(w+z).
d) 60x/(6ow+z).(ANS)
7) The integers between 1 and 100, inclusive, are put in list A if they are divisible by 2 & in list B if they are divisible by 3. How many inegers in list A are not in list B.
a) 11.
b) 16.
c) 25.
d) 33.
e) 34.(Ans)
8) Each of the following numbers has two digits # out. Which of he numbers could be the numbers of hours in x days, where x is an integer?
Ans: 65#,# 20
9) A large square( 8 inches by 8 inches) formed by fitting three L- shaped tiles and one small square tiles together. If the rectangular floor 10 feet by 12 feet is to be tiled in large square of this design , how many L-shaped tiles will be needed?.
Ans:810.
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