The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 35 kms. what was the total distance travelled in 12 hours?
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It forms an a.p.
35,37,39,.........
First term=a=35
Common difference =d=2
a12=a+11d
=35+11(2)
=35+22
=57kms
35,37,39,.........
First term=a=35
Common difference =d=2
a12=a+11d
=35+11(2)
=35+22
=57kms
mathupto12:
at least give a reply
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