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# If tank X contains only gasoline, how many kiloliters of gasoline are

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Math Expert
Joined: 02 Sep 2009
Posts: 51138
If tank X contains only gasoline, how many kiloliters of gasoline are  [#permalink]

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08 Jul 2018, 22:40
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35% (medium)

Question Stats:

71% (01:15) correct 29% (01:09) wrong based on 45 sessions

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Project DS Butler: Day 33: Data Sufficiency (DS65)

If tank X contains only gasoline, how many kiloliters of gasoline are in tank X.

(1) If 1/2 of the gasoline in tank X were pumped out, the tank would be fillef to 1/3 of its capacity.

(2) If .75 kiloliter of gasoline were pumped into tank X, it would be filled to capacity.

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Re: If tank X contains only gasoline, how many kiloliters of gasoline are  [#permalink]

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08 Jul 2018, 23:06
If tank X contains only gasoline, how many kiloliters of gasoline are in tank X.

(1) If 1/2 of the gasoline in tank X were pumped out, the tank would be filled to 1/3 of its capacity.

The values given are % of the total capacity and NO numeric value is given so insufficient
If $$\frac{1}{2}$$ is pumped out, HALF will remain so $$\frac{1}{2} = \frac{1}{3}- of -Total$$
so present volume is $$2*\frac{1}{3} = \frac{2}{3}$$
but no numeric value
insuff

(2) If .75 kiloliter of gasoline were pumped into tank X, it would be filled to capacity.
nothing on present status..
we can say present = total - 0.75
insuff

combined
present volume = $$\frac{2}{3}$$ of total capacity = $$\frac{2T}{3}$$, which is 0.75 less than total
$$2\frac{T}{3} = T-0.75..............\frac{T}{3}=0.75................t=3*0.75$$
suff

C
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1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html

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Re: If tank X contains only gasoline, how many kiloliters of gasoline are &nbs [#permalink] 08 Jul 2018, 23:06
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# If tank X contains only gasoline, how many kiloliters of gasoline are

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