the ratio of price of a chair and price of a table is 2:7. if the price of 7 chair is cost Rs 1400.find the price of 10 table.
A-7000, B-5500, C-6500, D-6800
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the ratio of price of a chair and price of a table is 2:7. if the price of 7 chair is cost Rs 1400.find the price of 10 table.
A-7000, B-5500, C-6500, D-6800
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The price of 10 tables is Rs. 7000
Step-by-step explanation:
Given:
Ratio of price of Chair to Table = 2:7
Price of 7 chairs = Rs. 1400
Asked:
Price of 10 tables
Analysis:
Price of 1 chair = Rs. = Rs. 200
Let the common multiple be 'x',
Then the prices of chairs and tables become 2x and 7x,
2x = 200
x = = Rs. 100
7x = 7 × 100 = Rs. 700
Price of 10 table = Rs. 700 × 10 = Rs. 7000
Hence, price of 10 tables is Rs. 7000.
Price of 1 chair = Rs. \frac{1400}{7}
7
1400
= Rs. 200
Let the common multiple be 'x',
Then the prices of chairs and tables become 2x and 7x,
2x = 200
x = \frac{200}{2}
2
200
= Rs. 100
7x = 7 × 100 = Rs. 700
Price of 10 table = Rs. 700 × 10 = Rs. 7000
Hence, price of 10 tables is Rs. 7000.