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MAYANK SHARMA

· started a discussion

· 1 Months ago

tell another easy method (Question: 113211.0 )

please tell some easier way of solving this type of problems

Question:

An article is sold at a profit of 20%. If both the cost price and S.P. are Rs. 100 less, the profit would be 4% more. The C.P. is:

Options:
A) Rs. 450
B) Rs. 550
C) Rs. 500
D) Rs. 600
Solution:
Ans: (d)

Let the  C P of the article=100x

Then A T Q,


24=\(\cfrac{20x}{100x-100}\times100\)

x=6

therefore cost price=100x=600

Deepak

· commented

· 1 Months ago

In final if you don't get answer then use option method to solve

Knowledge Expert

· commented

· 1 Months ago

:)

MAYANK SHARMA

· commented

· 1 Months ago

thanks sir..

Knowledge Expert

· commented

· 1 Months ago

Suppose, CP = X.
SP = 1.2X.
When CP is Rs. 100 less,
CP = X - 100
SP = 1.2X - 100.
Now,
1.2X - 100 = 1.24*(X-100)
On Solving, we get
X = 600.
CP = Rs. 600.
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