For the following questions answer them individually
If a train travels 1000 km from Bangalore to Mumbai and the journey takes 10 hours, then what is the train's average speed in km per hour?
The mean of 20 observations was 42. It was found later than an observation 54 was wrongly taken as 45. The corrected new mean is:
A sum of Rs. 900 is divided into two parts such that the internet on the first part at 4% simple interest per annum and that on the other part at 2% simple interest per annum are equal. What is the interest accumulated on each part in a year?
A fruit seller sells 2/5th part of fruits at a profit of 10% and remaining at a loss of 5%. If the total profit is Rs. 1850, then what is the total cost price of fruits?
Selling price of an article is Rs. 520. If loss percentage is 20 percent, then what is the cost price of article?
A woman drives a car. During her journey, she travels 20 minutes at a speed of 60 km/hr, another 30 minutes at a speed of 40 km/hr and 1 hour at a speed of 50 km/hr. The average speed of the car is:
The following bar graph shows the total number of students who appeared in an exam from five different schools.
Approximately how much percent of total students who appeared in the exam are failed?
P alone can complete a work in 25 days and Q alone can complete the same work in 50 days. If both of them work together, then in 12 days what percent work of the total work will be completed?