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Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's

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Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's  [#permalink]

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New post 07 Aug 2011, 01:05
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Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's weight. Dolly weighs 50% of Laila's weight. Laila weighs 19% of Jalal's weight. Who among these 5 persons weighs the least?

A) Bahar
B) Dolly
C) Jalal
D) Laila
E) Meena
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Re: Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's  [#permalink]

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New post 07 Aug 2011, 02:45
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1
Let Jalal weigh 100 kg.

Then Meena = 50 kg, Bahar = 83.33 kg, Laila = 19 kg, Dolly = 9.5 kg

Therefore clearly Dolly is the lightest.
=> (B)
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Re: Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's  [#permalink]

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New post 25 Sep 2015, 04:26
1
if
B = x
we get

M = 0.6x

J = 1.2x

L = 0.22x

and D = 0.114x

there for ans B
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Re: Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's  [#permalink]

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New post 30 Apr 2016, 13:00
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I wonder what is the source of this question))).Medical clinic?
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Re: Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's  [#permalink]

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New post 08 Jul 2018, 05:30
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Trouper wrote:
Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's weight. Dolly weighs 50% of Laila's weight. Laila weighs 19% of Jalal's weight. Who among these 5 persons weighs the least?

A) Bahar
B) Dolly
C) Jalal
D) Laila
E) Meena


Let's assign weights that meet the given conditions.

Meena's weight is 60% of Bahar's weight
Let's let Bahar's weight = 100 kg
So, Meena's weight = 60 kg

Jalal weighs twice as much as Meena.
Since Meena weight 60 kg (see above) then Jalal's weight = 120 kg

Laila weighs 19% of Jala's weight
Jalal's weight = 120 kg
19% is very close to 20%
20% of 120 kg = 24 kg
So, 19% of 120 kg = a little less than 24 kg
So, Laila weighs a little less than 24 kg

NOTE: At this point, we can see that, Laila is the lightest (so far!)

Dolly weighs 50% of Laila's weight.
So, Dolly weighs LESS THAN Laila.
So, Dolly must weigh the least

Answer: D

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Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's  [#permalink]

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New post 10 Jul 2018, 05:43
Trouper wrote:
Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's weight. Dolly weighs 50% of Laila's weight. Laila weighs 19% of Jalal's weight. Who among these 5 persons weighs the least?

A) Bahar
B) Dolly
C) Jalal
D) Laila
E) Meena

Assigning one weight is a great choice, but which person should get the assigned weight?

List the values quickly, left to right (two columns)

J = 2M
M = .6B
D = .5L
L = .19J

Look at both columns.
Who seems to be greatest?
All the letters except J are explicitly less than someone else except B (who gives us little information).

And J shows up TWICE as weighing more than someone else.

Let J = 100 . . . Then
M = 50
B = 83
L = 19
D = 9.5

Dolly weighs the least.

Answer B
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Re: Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's  [#permalink]

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New post 22 Jul 2018, 17:36
Trouper wrote:
Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's weight. Dolly weighs 50% of Laila's weight. Laila weighs 19% of Jalal's weight. Who among these 5 persons weighs the least?

A) Bahar
B) Dolly
C) Jalal
D) Laila
E) Meena


We can let Meena’s weight be 60 lbs. So Jalal’s weight is 120 lbs and Bahar’s weight is 60/0.6 = 100 lbs. We can round 19% to 20%, so Laila is approximately 0.2 x 120 = 24 lbs and therefore, Dolly is approximately 0.5 x 24 = 12 lbs. Dolly weighs the least.

Answer: B
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Re: Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's &nbs [#permalink] 22 Jul 2018, 17:36
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Jalal weighs twice as much as Meena. Meena's weight is 60% of Bahar's

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