Question

Kulsoom can walk 9 3/8 km in 2 hours 30 minutes. How long will she take to walk 5 km?

Answer 1

By unitary method =

93 /8 ---------------- in 2 h 30 min .

for

5km. ----------------------?? 64 hour 51 min approx .




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Answer 2

2 hours 30 mins = 150 mins

Kulsoom can walk 93/8 km in = 150 mins
Kulsoom can walk 1 km in = 150×8÷93mins
So, She can walk 5 km in. = 150×8×5÷93mins
= 64.51 mins = 64 hours 51 mins.

So, the ans is 64 hours 51 mins.


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