Question: Sumi walks to her office at the rate of 4 miles per hour. If she increases her walking speed by 1 mile per hour , she would reach her office half an hour earlier than the previous time. What is the distance in miles of her office from her house ?

Question 1: Sumi walks to her office at the rate of 4 miles per hour. If she increases her walking speed by 1 mile per hour , she would reach her office half an hour earlier than the previous time. What is the distance in miles of her office from her house ?

View topic: শতকরা ও লাভ-ক্ষতি (Percentage and Profit and loss)

10

12

16

20

Source: Pubali Bank Ltd - Officer - 30.10.2009

Answer: 10

Explanation:

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