Question

The average price of three items of furniture is Rs. 15000.If their prices are in the ratio 3 : 5 : 7, then the price of cheapest item is
A). Rs. 9000
B). Rs. 5000
C). Rs. 8000
D). Rs. 10000​

Answer 1

Answer:

given ratio = 3:5:7

sum of the terms of the ratio = 3+5+7 =15

total price = Rs. 15000

price of 1st item = 3/15 ×15000 =3×1000 =3000

price of 2nd item = 5/15 ×15000 = 5×1000 = 5000

price of 3rd item = 7/15 ×15000 = 7×1000 =7000

The price of cheapest item is Rs. 3000

according to the options the cheapest price is Rs. 5000

option B is the answer

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Answer 2

Step-by-step explanation:

Let their prices be 3x, 5x and 7x.

Then,

3x + 5x +7x = (15000 X 3)

X = 3000

Cost of cheapest item is 3x = 9000

option a is right answer