The following table gives the number of vehicles passing through a busy crossing in Delhi in different time intervals on a particular day. Time interval, 8-9 hrs, 9-10 hrs, 10-11 hrs, 11-12 hrs, 12-13 hrs, 13-14 hrs, 14-15 hrs, 15-16 hrs, 16-17 hrs, 17-18 hrs No. of Vehicles, 300, 400, 350, 250, 200, 150, 100, 200, 300, 450 Represent the above data by a bar graph.

The following bar graph shows the number of vehicles passing through a road crossing in Delhi in different time intervals on a particular day. Read the bar graph and answer the following questions: What does the bar graph represent? Also, give the maximum number of vehicles. When is the hourly traffic maximum? Also give the minimum number of vehicles. When is the hourly traffic minimum? What is the total number of vehicles passing through a crossing during a particular day?

Form a grouped frequency distribution from the following data by inclusive method taking 4 as the class size of class intervals. 31, 23, 19, 29, 22, 20, 16, 10, 13, 34, 38, 33, 28, 21, 15, 18, 36, 24, 18, 15, 12, 30, 27, 23, 20, 17, 14, 32, 26, 25, 18, 29, 24, 19, 16, 11, 22, 15, 17,10

9, 12, 11, 14, 13, (.....), 15 (a) 12 (b) 16 (c) 10 (d) 17

Car is driven at the speed of 100 km/hr and stops for 10 minutes t the end of every 150 km. to cover a distance of 1000 km, it will take 9 hou r s b. 10 hou r s c. 11 hou r s d. 12 hou r s

Construct a frequency table for the following ages (in years) of 30 students using equal class intervals, one of them being 9-12 , where 12 is not included. 18, 12, 7, 6, 11, 15, 21, 9, 8, 13, 15, 17, 22, 19, 14, 21, 23, 8, 12, 17, 15, 6, 18, 23, 22, 16, 9, 21, 11, 16 .

The marks of 20 students in a test were as follows: 5, 6, 8, 9, 10, 11, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 18, 19, 20. Calculate the mean, median and mode.

A mechanical grandfather clock is at present showing 7 hr 40 min 6 sec. Assuming that it loses 4 seconds in every hour, what time will it show after exactly 6 1/2 hours? (a) 14 hr 9 min 34 sec (b) 14 hr 9 min 40 sec (c) 14 hr 10 min 6 sec (d) 14 hr 10 min 32 sec

the range of the data 13, 18, 20, 15, 12, 17, 9, 14, 11, and 16 is ________.

A car is going for a long journey of 16 hours, starting at 5:00 hrs. The speeds of the car at different hours are given below: Time (in hours):, 5:00, 7:00, 9:00, 11:00, 13:00, 15:00, 17:00, 19:00, 21:00 Speed (in km/hour):, 40, 50, 60, 80, 70, 65, 75, 60, 50 Draw a velocity-time graph for the above data:

The speed of electric train is 25% more than the at of steam engine train.What is the time taken by an electric train to cover a distance which a steam engine takes 4 hours 25 minutes to cover? 3(1)/(10)hr b.3(11)/(15)hr c.3(11)/(12)hr d.3(8)/(15) hr