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Yogita Ingle 6 years, 1 month ago
Rate of flow of water = 60 litres/minute
Volume of the tank = 108 m3
1 m3 = 1000 litres
108 m3= 108000 litres
Time taken to fill the complete tank = 108000/60 = 1800 minutes = 1800/60 hours = 30 hours
The tank will be filled completely in 30 hours.
Posted by Punitram Sori 6 years, 1 month ago
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Gaurav Seth 6 years, 1 month ago
Let the man salary be before increment= x
There is 10% increase in the salary= x+ (10/100)x
= x + 0.1 x
= 1.1x
Increased salary = 154000
Therefore 1.1 x = 154000 x
= 154000/1.1= 1,40,000
Hence the original salary was 1,40,000
Gaurav Seth 6 years, 1 month ago
Let the original salary be ₹100
Therefore new salary i•e 10% increase = 100+10=₹110
New salary is ₹110 when original salary =₹100
New salary is ₹1 when original salary =100/110
New salary is 154000 when original salary =100/110×154000=140000
original salary is 140000
Posted by Pranjal Patil 6 years, 1 month ago
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Yogita Ingle 6 years, 1 month ago
Let the time taken by second car overtake to the first car be x hours after it started.
Total time taken by first car = (x + 1) hours.
Total distance covered by first car in (x + 1) hours = 60(x + 1) km .
Distance covered by second car in x hours = 80x .
Thus, Distance covered by first car is equal to second car .
∴ 60(x + 1) = 80x .
⇒ 60x + 60 = 80x .
⇒ 60 = 80x - 60x .
⇒ 60 = 20x .
{tex}⇒ \bf{\dfrac{60}{20}} = x{/tex}
∴ x = 3 .
Hence, the second car travelled in 3 hours to overtake the 1st car .
Therefore, time taken by second car to overtake the first car = 80x = 80 × 3 = 240 km.
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Chris Airen 6 years, 1 month ago
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