ans this questions 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24
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9) 45km/ 60secs
45÷60=0.75
0.75×6 secs = 4.5 km in 6 secs
45÷60=0.75
0.75×6 secs = 4.5 km in 6 secs
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9.distance =speed x time =45 x 6= 270
10.time=distance travelled / speed=80/48=1.66666
11.speed=distance/time=200/18=11.11111111
12. speed=distance/time=11/12=0.91666
15.perimeter of square field =35x4=140
Time=distance/speed=140/9=15.55555
16.335x18/5=1206
17.distance=speedxtime=21hrs 48 min=21.8hrsx72 = 1569.6
10.time=distance travelled / speed=80/48=1.66666
11.speed=distance/time=200/18=11.11111111
12. speed=distance/time=11/12=0.91666
15.perimeter of square field =35x4=140
Time=distance/speed=140/9=15.55555
16.335x18/5=1206
17.distance=speedxtime=21hrs 48 min=21.8hrsx72 = 1569.6
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