Prabhat ordered 4 Arrow shirts and some additional Park Avenue shirts. The price of one Arrow shirt was twice that of one Park Avenue shirt. When the order was executed it was found that the number of the two brands had been interchanged. This increased the bill by 40%. The ratio of the number of Arrow shirts to the number of Park Avenue shirts in the original order was
(a) 1:3
(b) 1:2
(c) 1:4
(d) 1:5
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Answer:
(d)1:4
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Answer:
Given Number of arrow shirt =4
Assume Number of Park Avenue = P
Given Price of one arrow shirt = 2* Price of one Park Avenue shirt..
Let,Price of one Park Avenue shirt = x
=> Price of one Arrow Shirt = 2*x
Total Price = 4*2*x+ P*x
But question says two had been interchanged
=> Number of Arrow Shirt is P and number of Park Avenue shirt is 4
Total Price = 2*P*x + 4*x
From question
New total is 140% of old total
140/100*(8*x + P*x) = (2*P*x + 4*x)
Solving this gives x = 12
=> 4:12=> 1:3
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