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Narenn
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GMAT Questions Chat Group 08 Jul 2023, 07:38
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GMAT Questions Chat Group 08 Jul 2023, 10:20
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The value of (-11)+(-12)+(+13)+ --------(-110) is :

explain ans
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GMAT Questions Chat Group Updated on: 08 Jul 2023, 10:27
Originally posted by mysterymanrog on 08 Jul 2023, 10:24.
Last edited by mysterymanrog on 08 Jul 2023, 10:27, edited 1 time in total.
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fatema199
The value of (-11)+(-12)+(+13)+ --------(-110) is :
we can use some statistics theory here:
average: (-11+(-110))/2=(-121/2)
number of items: (110-11+1)=100
multiply the two:
-121*50
-6050

Any set that is evenly spaced has average=median
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GMAT Questions Chat Group 08 Jul 2023, 16:36
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Mr. Alfred buys two lots mangoes. the first lot costs him TK.300 per dozen and the second TK. 500 per dozen. He sold all the mangoes at TK. 400 per dozen. Find his profit/loss percentage if he spent the same amount of money on each of the lots.

easy solution plz
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GMAT Questions Chat Group 08 Jul 2023, 18:37
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fatema199
Mr. Alfred buys two lots mangoes. the first lot costs him TK.300 per dozen and the second TK. 500 per dozen. He sold all the mangoes at TK. 400 per dozen. Find his profit/loss percentage if he spent the same amount of money on each of the lots.
6.67%

Assume he spent a total of Tk.1500 on each lots
Dozens of the first lots=1500/300= 5
Dozens of the second lots=1500/500=3
Total Dozens for both lots= 3+5=8
Total cp for both lot= 8(150+150)=3000
Total sp for both=8×400=3200
Profit= (3200-3000)/3000)×100= 6.67%
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GMAT Questions Chat Group 09 Jul 2023, 07:32
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Three consecutive eveb numbers are such that if the first is divided by 6, the second by 4 and the third by 7, the sum of the quotients is 38. Find the numbers.

ans expalin
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GMAT Questions Chat Group 09 Jul 2023, 07:42
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Are the numbers 66, 68, 70?
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Niv1992
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GMAT Questions Chat Group 09 Jul 2023, 08:18
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Any one out there quite prepped for quant, up for a study partner?

2-3 people together? On a WhatsApp?
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GMAT Questions Chat Group 09 Jul 2023, 08:38
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Niv1992
Any one out there quite prepped for quant, up for a study partner?
Im done with quant.revising so can join
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GMAT Questions Chat Group 09 Jul 2023, 10:19
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fatema199
Three consecutive eveb numbers are such that if the first is divided by 6, the second by 4 and the third by 7, the sum of the quotients is 38. Find the numbers.
(X/6) +(x+2/4)+(x+4/7)= 38
X=66
X+2=68
X+4=70
The numbers are 66,68,70
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fatema199
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GMAT Questions Chat Group 09 Jul 2023, 11:36
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It is estimated that of living will increase by 8.50 percent per year. How much should a piece of candy cost in tree years if it costs Tk. 1.50 today?
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Kenykruzy
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GMAT Questions Chat Group 09 Jul 2023, 11:48
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fatema199
It is estimated that of living will increase by 8.50 percent per year. How much should a piece of candy cost in tree years if it costs Tk. 1.50 today?
1.5(1.085)³=Tk 1.92
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GMAT Questions Chat Group Updated on: 09 Jul 2023, 14:15
Originally posted by fatema199 on 09 Jul 2023, 14:14.
Last edited by fatema199 on 09 Jul 2023, 14:15, edited 1 time in total.
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At a photocopy center , the first 10 copies cost x taka each. Each of the next 50 copies costs 2 taka less per copy . From the 61 st copy on, the cost 1 Taka per copy, In terms of x how much does it cost in. Taka to have 200 copies made/

explain ans
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Akshay790
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GMAT Questions Chat Group 09 Jul 2023, 14:23
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fatema199
At a photocopy center , the first 10 copies cost x taka each. Each of the next 50 copies costs 2 taka less per copy . From the 61 st copy on, the cost 1 Taka per copy, In terms of x how much does it cost in. Taka to have 200 copies made/
I think answer should be 60x+40
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nilofermunshi791
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GMAT Questions Chat Group 09 Jul 2023, 14:24
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Yes correct recuse link for gmat free practice

Not revised
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fatema199
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GMAT Questions Chat Group 09 Jul 2023, 16:18
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Akshay790
I think answer should be 60x+40
can you explain this ans? cause i can’t understand this math solve
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nilofermunshi791
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GMAT Questions Chat Group Updated on: 09 Jul 2023, 17:36
Originally posted by nilofermunshi791 on 09 Jul 2023, 17:35.
Last edited by nilofermunshi791 on 09 Jul 2023, 17:36, edited 1 time in total.
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100

eqation times add

math
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gmatophobia
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GMAT Questions Chat Group 09 Jul 2023, 23:04
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PS Question - July 10

How many positive divisors of 12,500 are squares of integers (aka perfect squares)?

A) three
B) four
C) six
D) eight
E) twelve

Source: GMATPrepNow | Difficulty: Hard

DS Question - July 10

If x and y are non-zero integers and |x| + |y| = 32, what is xy?

(1) -4x – 12y = 0

(2) |x| – |y| = 16

Source: Manhattan | Difficulty: Hard
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GMAT Questions Chat Group 09 Jul 2023, 23:18
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gmatophobia
PS Question - July 10 How many positive divisors of 12,500 are squares of integers (aka perfect squares)? A) three B) four C) six D) eight E) twelve Source: GMATPrepNow | Difficulty: Hard
12500 = 2^2* 5^5 = 4^1*25^2*5

No. of Perfect Squares= (1+1)*(2+1) = 2*3 = 6 (C).
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GMAT Questions Chat Group 09 Jul 2023, 23:19
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gmatophobia
DS Question - July 10 If x and y are non-zero integers and |x| + |y| = 32, what is xy? (1) -4x – 12y = 0 (2) |x| – |y| = 16 Source: Manhattan | Difficulty: Hard
-192
X=24 or-24
Y=-8 or 8
Xy=-8×24=-192
Or 8×-24=-192
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