The cost prices of two articles A and B are in the ratio 4 ∶ 5. While selling these articles, the shopkeeper gains 10% on article A and 20% on article B and the difference in their selling prices is ₹480. The difference in the cost price (in ₹) of articles B and A is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 300.
Given ,
The Ratio of Cost Price = 4:5
According to the Question -
SP of A = 4+4x10% ⇒ 4.4
and SP of B = 5+5x20% ⇒ 6
then,
⇒ 6 - 4.4 = 480
⇒ 1.6 = 480
⇒ 16 = 4800
⇒ 1 unit = 300
now ,
Diff. in the cost Price of Article B and A = 5 -4 = 1 unit ⇒300 Ans.