Question
A man travels 60 km at a speed of 30 km/h and then
travels 90 km at a speed of 60 km/h. What is his average speed for the entire journey?Solution
Time taken for the first part = Distance / Speed = 60 / 30 = 2 hours. Time taken for the second part = Distance / Speed = 90 / 60 = 1.5 hours. Total distance = 60 + 90 = 150 km. Total time = 2 + 1.5 = 3.5 hours. Average speed = Total distance / Total time = 150 / 3.5 = 42.86 km/h. Correct option: a) 42.8 km/h
What is the target fixed for the year 2022 -23 for the food grain production in the country?
Which government scheme offers financial support to startups with innovation-driven ideas?
Approximately what percentage of India is covered by alluvial soil?
Ukai Dam is located in ________
How much did the Bureau of Indian Standards (BIS) and Govind Ballabh Pant University of Agriculture and Technology (GBPUAT) allocate for developing Indi...
Who is the first chairperson of the NITI Aayog?
What is the purpose of the UTSAH (Undertaking Transformative Strategies and Actions in Higher Education) portal developed by the University Grants Commi...
Which of the following is/are part of CAPF(Central Armed Police Forces).
i. Assam Rifles (AR)
ii. Border S...
Which of the following are the downstream oil and gas companies in India?
What is the capital of Australia?
Relevant for Exams:
