1) Seema is going to cover a distance of 360km from ambala to khandala . the first one- third of the distance she covers on a cycle . the second one-third she covers by an auto – rickshaw and the remaining distance she travels by car . the average speed of the journey by a car is 5 times the average speed by cycle and 20km/h more than the average speed by auto – rickshaw, but she took 1 hour more by auto – rickshaw than by car. what is the average speed of the whole journey ?

2) A passenger sitting in a train of length lm , which is running with speed of 60km/h passing through two bridges , notices that he crosses the 1st bridge and 2nd bridge in the time intervals which are in the ratio of 7:4 respectively . if the length of first bridge be 280m . then the length of second bridge is ?

3) Neha and Reena leaves town Kolkata amd ambala at 6am and travel towards ambala and kolakata respectively , speed of Neha is 60km/h and speed of Reena is 120km/h , Seema leaves kolkata for ambala some time later and travels at a speed of 90km/h . if the distance between Kolkata and ambala is 1080km and all three meet at the same point on the way , at the same time , then at what time Seema leave Kolkata ?

4) Swati walks on an escalator at a rate of 5 steps per second and reach the other end in 10 second . while coming back walking at the same speed he reaches the starting point in 40 seconds . what is the number of steps on the escalator ?

5) Arjun while walking diametrically across a semicircular play ground, takes 3 minutes less than if he had kept walking round the circular path from A to B . if she walks 60metres a minute , what is the diameter of the play ground ?

Which Of The Following Does Not Fit In The Series?

6) 6072, 1008, 200, 48, 14, 5, 3

7) 0, 6, 23, 56, 108, 184, 279

8) 1, 1, 1, 4, 2, 1, 9, 5, 1, 16

9) 824, 408, 396, 96, 44, 18, 5

10) 2, 1, 10, 19, 14, 7, 16