Directions (Q. 1-5): Study the following graph carefully to answer the given questions.
Annual dividend offered by two companies over the years .

1)An amount of 18000 was invested in Hindustan Company in 2012. After one year the same amount was re-invested for one more year. What was the total dividend received at the end of two years?

2) Sankar invested different amounts in Hindustan Company and Reliance Company in 2015 in the ratio of 5 : 8. What will be the ratio between the amounts of dividends received from Hindustan Company and Reliance Company respectively?

3) Archana invested 35000 in Reliance Company in 2011. After one year she transferred the entire amount with dividend to Hindustan Company in 2012 for one year. What amount will be received back by Archana including dividend?

4) In the year 2014, Ramesh invested 56000 in Reliance Company. How much more or less dividend would he have received had the amount been invested in Hindustan Company?

5) Mr. Arun invested total amount of 25000 in 2009 for one year in the two companies together and got a total dividend of 3340. What was the amount invested in Hindustan Company?

6) If five times of a positive integer is equal to three less than twice the square of that number than find the number?

7) In a mixture of 60 L the ratio of acid and water is 2: 1. If the ratio of acid and water is to be 1:2, then what is the amount of water (in litres) to be added to the mixture?

8) An alloy of zinc and tin contains 35% of zinc by weight. What quantity of zinc must be added to 400 lb of this alloy such that there is 60% of zinc by weight in the final mixture?

9) Out of three given numbers, the first number is twice the second and thrice the third. If the average of these three numbers is 154, then what is the difference between the first and the third numbers?

10) A container has 40 litres of wine. From this container, 4 litres of wine is taken out and replaced with water. This process is repeated two more times. What will be the final quantity of water (in litres) in the container?