Question : 15 men take 20 days to complete a job, working 8 hours a day. The number of hours a day that 20 men should take to complete the job in 12 days.

Option 1: 5 hours

Option 2: 10 hours

Option 3: 15 hours

Option 4: 18 hours

Question : A train travels at a speed of 18 m/s in the first 5 minutes, covers 7.5 km in the next 10 minutes and covers 12 km in another 10 minutes. What is its average speed (in km/h, rounded off to 1 decimal place) for the entire journey?

Option 1: 59.8

Option 2: 71.2

Option 3: 45.7

Option 4: 64.6

Question : A bus starts running with an initial speed of 21 km/hr, and its speed increases by 3 km/hr every hour. How many hours will it take to cover a distance of 252 kilometres?

Option 1: 3

Option 2: 5

Option 3: 8

Option 4: 10

Question : Direction: A man travels 4 kilometres due north, then travels 6 kilometres due east, and further travels 4 kilometres due north. How far is he from the starting point?

Option 1: 8 km

Option 2: 10 km

Option 3: 6 km

Option 4: 14 km

Question : Ram can copy 60 pages in 15 hours. If Ram and Riya together can copy 180 pages in 30 hours, in how many hours can Riya copy 20 pages?

Option 1: 29 hours

Option 2: 12 hours

Option 3: 20 hours

Option 4: 10 hours