20. If 2 m 15 cm of cloth is needed for one shirt, how much cloth will be needed for 8 such frocks ?
21. A man walks at the rate of 5 km 125 m per hour, how much distance will he cover in 5 hours ?
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Answer:
Q20 : 17m 20 cm
Q21 : 25.625
Step-by-step explanation:
Q 20
Cloth needed for one shirt = 2m 15cm = 215 cm
cloth needed for 8 Shirts = 8*215 = 1720 cm = 17 m 20 cm
Q21
speed = 5km 125m per hour = 5.125 kmph
Time = 5hrs
Distance = speed * time
= 5.125 * 5
=25.625 km
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