Average Applications Quiz 2 (9 MCQs)

Quiz Instructions

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1. The train from Caulfield to Flinders St had a speed of 60 km/hr, on the way back the speed was 56 km/hr. What was the average speed of the journeys?
2. Akela rode her bike 48 km for 3 hours, she rested for 1/2 an hour and then rode another 24 km for 1 hours. What was her average speed?
3. A car travels 150 kilometers in 3 hours. What is its average speed?
4. The average weight of 8 women increases by 2.5 kg when a new woman replaces one of them weighing 65 kg. Find the weight of the new woman.
5. Raju has travelled for 4h at 60 kmph and 6h at 40 kmph. What is the average speed of Raju for the entire journey (in kmph)?
6. The average of 10 consecutive terms of an arithmetic progression with common difference of 10 is 100. How will the average be affected if the next two terms of A.P. are also included?
7. The average of three numbers is 9.If the average of first two numbers is 12, find the third number.
8. Find the average of first 9 consecutive odd numbers.
9. Mrs. Romo walks 4 hours and travels 10km. What is the average speed of the teacher?