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Alex55
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Practice Questions Chat 20 Jun 2024, 23:35
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can u explain with a figure if u can
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Purnank
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Practice Questions Chat 20 Jun 2024, 23:36
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other two will be on back side which is not visible in the figure
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Soumya___Hariram
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Practice Questions Chat 20 Jun 2024, 23:38
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Is there any practise link for quant questions?
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Purnank
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Practice Questions Chat 20 Jun 2024, 23:40
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Alex55, all the questions you post are related to GRE?
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Alex55
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yeah. when i dont find solution for these type of problem i post these here . i am sorry for that
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Soumya___Hariram
Is there any practise link for quant questions?
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Here is the link : search.php?view=search_tags
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Practice Questions Chat 21 Jun 2024, 01:33
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Data Sufficiency Butler: June 2024
June 21DS 1DS 2
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Practice Questions Chat 21 Jun 2024, 01:34
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Problem Solving Butler: June 2024
June 21PS 1PS 2
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Anyone please tell me the best approach for this question,

Ram and Bharat travel the same distance at the rate of 6 km per hour and 10 km per hour. If ram takes 30 minutes longer than Bharat

, the distance travelled by each is?
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Distance = Speed * time, lets suppose bharat takes t hrs so ram will take t +1/2 (ram speed * (t + 1/2)) = (bharat speed * t)

calculate t and then distance either using bharat speed or ram speed.
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Practice Questions Chat 21 Jun 2024, 05:38
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Krish13tss
Ram and Bharat travel the same distance at the rate of 6 km per hour and 10 km per hour. If ram takes 30 minutes longer than Bharat
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Time by R =d/6 and by B =d/10, so (d/6)-(d/10)=1/2…..2d/30=d/15=1/2….d=15/2. OR let us work for equal distance and time taken. 30km: R will take 5 hours and B will take 3 hours. Thus, r takes 2 hours more when distance is 30 km or 2/4 hrs more when distance is 30/4 that is 7.5km
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a-milk-vendor-mixes-water-with-milk-and-sells-the-mixture-at-the-same-430880.html

discussed here

for simplicity you can even assume you have 1 litre of milk
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prashi1503
https://gmatclub.com/forum/a-milk-vendo ... 30880.html
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I got this question from there only, the explanations dont make sense to me, would appreciate further help
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prashi1503
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Given profit is 50%
1 litre milk y litre water

((1+y)*(1+x/100)c - c) = 50%

You have 2 unknown any extra information will help. A and B both give extra info using that you can solve.
So both equation are sufficient
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What is the question asking?
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Practice Questions Chat 21 Jun 2024, 12:21
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Discussed in detail here: one-night-a-certain-hotel-rented-3-4-of-its-rooms-including-101849.html
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PrabhatKC
What is the question asking?
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Is the answer 80% as
total not rented = 15
not rented with AC = 12
therefore not rented and AC = (12/15 )* 100 = 0.8*100 = 80%
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Practice Questions Chat 21 Jun 2024, 12:22
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One night a certain hotel rented 3/4 of its rooms, including 2/3 of their air conditioned rooms. If 3/5 of its rooms were air conditioned, what percent of the rooms that were not rented were air conditioned?

A. 20
B. 33 1/3
C. 35
D. 40
E. 80

Let's consider the total number of rooms to be 100.

Since "3/5 of the rooms were air conditioned", the number of air conditioned rooms = 3/5*100 = 60.

Since "3/4 of the rooms were rented", the number of rooms that were NOT rented = 1/4*100 = 25.

Since "2/3 of the air conditioned rooms were rented", the number of air conditioned rooms that were NOT rented = 1/3*60 = 20.

The question asks to find what percent of the rooms that were not rented were air conditioned:

(air conditioned rooms that were NOT rented)/(rooms that were NOT rented)*100 = 20/25*100 = 4/5*100 = 80%.

Answer: E.­
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Practice Questions Chat 21 Jun 2024, 12:37
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Yes it’s B

I did this with intuition.
Can anyonr explain the logic of this?
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Practice Questions Chat 21 Jun 2024, 12:42
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PrabhatKC
I did this with intuition.
Can anyonr explain the logic of this?
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X Δ Y = (X ∪ Y) - (X ∩ Y)

Given:
|X| = 10
|Y| = 18
|X ∩ Y| = 6


|X ∪ Y| = |X| + |Y| - |X ∩ Y|

|X ∪ Y| = 10 + 18 - 6 = 22

|X Δ Y| = |X ∪ Y| - |X ∩ Y|

|X Δ Y| = 22 - 6 = 16

Thus, the number of integers in X Δ Y is:
16

Hope this helps
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