9th Class
Mathematics
Related to Competitive Exam
Question Bank
Word Problems Based on Mathematics
question_answer
A man covered a distance of 3990 km partly by air, partly by sea and remaining by land. The time spent in air, on sea and on land is in the ratio 1: 16: 2 and the ratio of average speeds is 20: 1: 3 respectively. If total average speed is 42 km/hr, then the distance covered by sea is _________