a person covers a speed of 5 metre in 40 seconds find his speed and time taken to cover 20 metre.
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heya frnd .. it can be solved using unitary method
5m - 40s
1m - 40/5s
20m - 40/5×20=40×4=160s
hence ur answer is 160s
5m - 40s
1m - 40/5s
20m - 40/5×20=40×4=160s
hence ur answer is 160s
anisha9590:
fine then
can you show me in that method
the speed is 5/40 m/s .. it means 1/8 m/s
you r in which class
9th
??
7th
thank u
ok
wlcm
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