Example 12 - Chapter 4 Class 7 - Another Peek beyond the Point (Ganita Prakash II)

Last updated at August 10, 2026 by

[Class 7] Ravi went from Pune to Matheran by scooter in 2.5 hours - Division with a Decimal Divisor

part 2 - Example 12 - Division with a Decimal Divisor - Chapter 4 Class 7 - Another Peek beyond the Point (Ganita Prakash II) - Class 7 (Ganita Prakash 1, 2 & old NCERT)

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Transcript

Example 12 Ravi went from Pune to Matheran by scooter in 2.5 hours. The distance was 126 km. What was his average speed?We know that Average speed = (๐ท๐‘–๐‘ ๐‘ก๐‘Ž๐‘›๐‘๐‘’ ๐‘๐‘œ๐‘ฃ๐‘’๐‘Ÿ๐‘’๐‘‘)/(๐‘‡๐‘–๐‘š๐‘’ ๐‘ก๐‘Ž๐‘˜๐‘’๐‘›) = ๐Ÿ๐Ÿ๐Ÿ”/(๐Ÿ.๐Ÿ“) = 126 ร—1/2.5 Removing decimal point =๐Ÿ๐Ÿ๐Ÿ” ร—๐Ÿ/(๐Ÿ๐Ÿ“/๐Ÿ๐ŸŽ) =126 ร—10/25 =126 ร—2/5 =๐Ÿ๐Ÿ“๐Ÿ/๐Ÿ“ Now, we do division like we usually do =๐Ÿ๐Ÿ“๐Ÿ/๐Ÿ“ Now, we do division like we usually do Thus, ๐Ÿ๐Ÿ๐Ÿ”/(๐Ÿ.๐Ÿ“)=๐Ÿ“๐ŸŽ.๐Ÿ’ So, the average speed at which Ravi travelled was 50.4 km per hour. Note: Answer is 50.4 km/hr not 50.4. Units are important

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