1) A man swimming upstream takes 6 hours to cover a certain distance, while it takes 4 hours to cover the same distance swimming downstream. What is the ratio between the speed of the man and speed of the stream respectively?

2) If Vicky can row 5 km/h upstream and 9 km/hr downstream then what is the velocity of the current?

3) Ratio of speed of car and a train is 17:22. If speed of train is 25 km/hr more than speed of car, then find distance travelled by car in 5 hours?

4) A car runs at the speed of 40 km/hr when not serviced and runs at 65 km/hr when serviced. After servicing, the car covers a certain distance in 5 hr. How much approximate time will the car take to cover the same distance when not serviced?

5) A train travels at the rate of 50 km/hr without stoppages and it travels at 40 km/hr with stoppages. How many minutes does the train stop on an average per hour?

Directions (Q.6-10 )-: Study the graph carefully to answer the questions that follow: Percentage rise in the production of two different companies over the years

6) If the production of Company A in 2010 was 1.78 Iakh units, what was the number of units produced by it in 2012?

7) What is the percentage increase in the percentage rise of the production of Company B in the year 2014 from the previous year?

8) If the production of Company B in the year 2012 was 3.90 lakh units, and Company A produced 10% less in that year, then what is the difference between the number of units produced by Company B and that by Company A in the year 2013?If the production of Company B in the year 2012 was 3.90 lakh units, and Company A produced 10% less in that year, then what is the difference between the number of units produced by Company B and that by Company A in the year 2013?

9)What is the increase in the percentage rise in the production of Company A in the year 2011 from the previous year?