[Forest Guard, 2022]

1. You are given that a train 'P’ is moving at the speed of 90 km per hour and another train ‘Q’ is moving at the speed of 60 km per hour in the same direction. If length of faster train is 500 metres and it crosses the slower train in two minutes. The length of slower train is :





Answer & Solution

Answer:

500 metres

[Forest Guard, 2022]

2. Which of the following cannot be the square of a natural number?





Answer & Solution

Answer:

45907

[Forest Guard, 2022]

3. Ram alone can do a piece of work in 12 days. Shyam can do the same work in 16 days. In order to complete the work faster, three persons Ram, Shyam and Sita together finished the work in 6 days and were paid total amount of Re 6400. How much is the share of Sita on pro rata basis?





Answer & Solution

Answer:

Rs. 800

[Forest Guard, 2022]

4. Which of the following is exactly divisible by 7, 11, 13 and also 16?





Answer & Solution

Answer:

16016

[Forest Guard, 2022]

5. A boat sails 20 km of a river towards upstream in 4 hours. How long it will take to cover the same distance downstream, if the Speed of current is one-fifth the speed of the boat in still water ?





Answer & Solution

Answer:

2 hours 40 minutes