Question
A train covers 120 km at a speed of 30 km/hr, then 180 km at 60 km/hr, and finally 240 km at 120 km/hr. Find the average speed of the train for the entire journey.
More Previous year papers Questions
- A and B can complete work in 9 days, while B and C can complete the same work in 18 days. When working together A, B and C, can finish the same work in 8 d...
- Rakesh purchased a TV for Rs. 5,000. He paid Rs. 250 for its transportation. If he sold the TV for Rs. 5,075, then find his loss percentage.
- In an election between two candidates A and B, 15% of the voters did not cast their votes, 20% of the votes cast were declared invalid. The winning candida...
- Pipe A usually fills a tank in 6 hours. But due to a leak at the bottom of the tank, it takes extra 2 hours to fill the tank. If the tank is full, then how...
- What is the difference between the total sale of English newspapers and the total sale of Hindi newspapers in all the localities together.
- There are three positive numbers. If the average of any two of them is added to the third number, the resulting sums are 154, 148 and 132. The sum of the o...
- If the cost of 10 books is ₹250, then find the cost of 15 books.
- A sum of money becomes 6 times at simple interest in 15 years. What is the ratio of interest?
- Akshita and Raina are typing a book, but have only one laptop to work upon. They decided that they will work on alternate basis such that Akshita works for...
- A number is increased by 40% and then decreased by 25%. What is the net percentage change?
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt