Question
A man covers 250 km, 120 km, and 50 km at the speed of 50 km/h, k km/h and 25 km/h, respectively. If his average speed for the whole journey is 42 km/h, then what is the value of k?
294k+5040 =420k 126k =5040 k =5040/126=40 k =40. More Previous year papers Questions
- Salary of Ram is 20 percent more than Shyam’s. By what percent is Shyam’s salary less than Ram.
- Question 2
- Simplify: 11(1/9) % of 9(1/11) % of 7(1/7) % of 6(1/4) % of 11088.
- Question 4
- Atul sells goods to a customer at a profit of P%. If the cost price of the goods for the customer is ₹1,50,000 and Atul makes a profit of ₹30,000, then wha...
- A can finish a task in 6 days by working for 8 hours/day and B has the capacity to finish the same task in 8 days by working for 6 hours/day. In how many d...
- Ramesh started a business investing a sum of 40,000. Six months later, Kevin joined by investing 20,000. If they make a profit of 10,000 at the end of the...
- Find the value for (?) - 23% of 9600 + 47% of 6800 = 25% of 9644 + ?
- If 28957.5 ÷ 268.125= 108, then 289.575 ÷ 2681.25 is equal to:
- The diameter of a solid sphere is 3 cm. It is melted and drawn into a wire of diameter 8 mm. The length of the wire is:
Relevant for Exams:
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
