Answer:
distance covered by the boy = 5×1/8 km..
= 41/8 km
time taken = 1×1/4 km..
= 5/4 km
therefore, distance covered in 1 hr
= 41/8 ÷ 5/4
= 41/40 km
distance covered in 3 hrs
= 41/40 × 3
= 123/40 km..
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Verified answer
Answer:
distance covered by the boy = 5×1/8 km..
= 41/8 km
time taken = 1×1/4 km..
= 5/4 km
therefore, distance covered in 1 hr
= 41/8 ÷ 5/4
= 41/40 km
distance covered in 3 hrs
= 41/40 × 3
= 123/40 km..