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Vidhi from Dps Dwarka , New Delhi
Subject :Sam    Class : Sample

A duck flew at 18 km per hour for 3 hours, then at 15 km per hour for 2 hours. How far did the duck fly in all?



A69 km
B75 km
C81 km
D84 km


Ans 1:

Vedant Singh from Suditi Global Academy, Agra
Class : Class 7

Ans 2:

Vidhi from Dps Dwarka , New Delhi
Class : Class 7
Ypls. Tell

Ans 3:

Aikya from Epistemo Global, hyderabad
Class : Class 9
i did not understand..

Ans 4:

Rashmi Malik from ,
Class : Class 5
The solution for this question is Speed 1 is 18 km per hr Time 1 is 3 3 hr Therefore distance is speed multiplied by time18×3=54Distance 1 is 54 kmSpeed 2 is 15km per hr Time 2 is 2 hrDistance is speed multiplied by time Therefore15×2=30Distance 2 is 30 km To find total distance =distance 1 distance 2=total distance54km 30km =84km84 km is the total distance

Ans 5:

Ananya Agrawal from Kennedy High the Global School, Hyderabad
Class : Class 7
nor , did i understand :(

Ans 6:

Vivek N K from Jss public school, Bangalore
Class : Class 7
18 km × 3 = 54km/h 15 km × 2 = 30 km/h Therefore 54 + 30 = 84 km/h

Ans 7:

sai sri from fiitjee world school, Hyderabad
Class : Class 7
can explain me the solution

Ans 8:

sumit kumar from NPS, Singapore
Class : Class 6
18 km/h x 3 h=54 km15 km/h x 2 h=30 km54km 30km=84 km

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