A man covers a total distance of 100 km on bicycle . For the first 2 hours , the speed was 20 km / hr and for the rest of the journey , it came down to 10 km /

A man covers a total distance of 100 km on bicycle . For the first 2 hours , the speed was 20 km / hr and for the rest of the journey , it came down to 10 km / hr. The average speed will be

A man covers a total distance of 100 km on bicycle . For the first 2 hours , the speed was 20 km / hr and for the rest of the journey , it came down to 10 km / hr. The average speed will be ?

Created: 1 year ago | Updated: 1 week ago | Created By:

Jannatul Ferdush

12.5 km / hr

13 km / hr

14.5 km / hr

20 km / hr

0 13

Institution: Bangladesh Bank Exam: Officer (General) -Ansar VDP Unnayan | BD House Building Finance Corporation 28.09.2018 ||
Topic: Mathematics (সাধারণ গণিত) Subject: Mathematics (সাধারণ গণিত)

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In a mixture, the ratio of the milk and water is 6 : 5. when 22 liter mixture is replaced by water, the ratio becomes 9 : 13. Find the quantity of water after replacement.

A man covers a total distance of 100 km on bicycle . For the first 2 hours , the speed was 20 km / hr and for the rest of the journey , it came down to 10 km / hr. The average speed will be ?

In a mixture, the ratio of the milk and water is 6 : 5. when 22 liter mixture is replaced by water, the ratio becomes 9 : 13. Find the quantity of water after replacement.

দুইটি সংখ্যার ল.সা.গু ৬০।একটি সংখ্যা ৩০ হলে অপর সংখ্যাটি -

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