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NISHANTH

· started a discussion

· 1 Months ago

using alligation (Question: 269941.0 )

9 --66/7---10 = 4x:3x

2nd part
66/7 ---10----12 = 14:4

from that 4x+3x=14
x=2
so ratio become 8:6:4 =18

total 450\18= 25

first pen is 25*8= 200

Question:

450 pens each of the same cost were classified into three categories for the purpose of sale. They were sold at 9%, 10% and 12% profit respectively. The first two categories gave an overall profit of 9 37   %. All the three categories gave an overall profit of 10%. Determine the pens put in first categories.

Options:
A)

100

B)

150

C)

200

D)

250

Solution:

Ans: (c)

  

Arun

· commented

· 1 Months ago

wow bro!

chaina

· commented

· 1 Months ago

great sir

latesh ukarde

· commented

· 1 Months ago

nice1 bro

virdi rayya

· commented

· 1 Months ago

Thanks bro

pradeep

· commented

· 1 Months ago

Thanks bro

SURENDRA SANKHLA

· commented

· 1 Months ago

Bhai Ratio me least factor lete h 14:4 =7:2 hoga then 4x+3x=7 & x=1.
ese to me 28:8 le kr 4x+3x=28 kr du to x 4 ayega.

Partha

· commented

· 1 Months ago

Mixture of 1st part and second part is 14 and also represented as 4x and 3x in step one

Partha

· commented

· 1 Months ago

bahuth acha

amit kumar

· commented

· 1 Months ago

please explain how 4xplus3x=14
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