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A man purchases two clocks A and B at a total cost of Rs 650. He sells A at 20% profit and B at a loss of 25% and gets the same selling price for both the clocks. What are the purchasing prices of A and B respectively?
Easy
Solution
verified
Verified by Toppr
Correct option is C)
Let the cost price (C.P) of A be Rs x
and that of B be Rs y 3
Total cost =Rs650 - [Given]
∴x+y=650
For A
Profit =20%
Profit %=
C.P
Profit
×100
∴20=
C.PofA
sellingpriceof(S.P)−C.PofA
∴
5
1
=
x
S.P−x
∴S.P. of A=
6x
For B
Loss =25%
Loss%
Loss
25=
C.PofB
C.PofB−sellingprice(S.P)ofB
4
y
y−S.P
=y−S.P. of B
∴ SP of B =
3y
But, according to the given concoction
S.P of A=S.P of B
−
=0
8x−5y=0...(2)
Multiplying equation (1) by 5
∴5x+5y=3250...(3)
Adding equations (2) and (3)
∴8x+5y+5x+5y=0+3250
13x=3250
x=Rs250
Substituting the above value in equation (1)
∴250+y=650
∴y=Rs400
∴ Cost price of A=Rs250
∴ Cost price of B=Rs400
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Answers & Comments
Answer:
search-icon-header
Search for questions & chapters
search-icon-image
Question
Bookmark
A man purchases two clocks A and B at a total cost of Rs 650. He sells A at 20% profit and B at a loss of 25% and gets the same selling price for both the clocks. What are the purchasing prices of A and B respectively?
Easy
Solution
verified
Verified by Toppr
Correct option is C)
Let the cost price (C.P) of A be Rs x
and that of B be Rs y 3
Total cost =Rs650 - [Given]
∴x+y=650
For A
Profit =20%
Profit %=
C.P
Profit
×100
∴20=
C.PofA
sellingpriceof(S.P)−C.PofA
×100
∴
5
1
=
x
S.P−x
∴S.P. of A=
5
6x
For B
Loss =25%
Loss%
C.P
Loss
×100
25=
C.PofB
C.PofB−sellingprice(S.P)ofB
×100
4
1
=
y
y−S.P
4
y
=y−S.P. of B
∴ SP of B =
4
3y
But, according to the given concoction
S.P of A=S.P of B
5
6x
=
4
3y
5
6x
−
4
3y
=0
8x−5y=0...(2)
Multiplying equation (1) by 5
∴5x+5y=3250...(3)
Adding equations (2) and (3)
∴8x+5y+5x+5y=0+3250
13x=3250
x=Rs250
Substituting the above value in equation (1)
∴250+y=650
∴y=Rs400
∴ Cost price of A=Rs250
∴ Cost price of B=Rs400