can you answers all these questions
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23) cost of 1 pen = 104/13
= Rs 8
cost of 1 dozen = 12×8
= Rs 96
20) the statement is false
to travel 45 km in 12 hrs it has to travel
15km in 3hr
for 60 km time should be 16 hrs
so it is false
22) 90 km = 5/2 hrs
30 km = 15×5/90
=5/6 hrs
= 50 min
= Rs 8
cost of 1 dozen = 12×8
= Rs 96
20) the statement is false
to travel 45 km in 12 hrs it has to travel
15km in 3hr
for 60 km time should be 16 hrs
so it is false
22) 90 km = 5/2 hrs
30 km = 15×5/90
=5/6 hrs
= 50 min
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