Question

45. I have to ride 108 Kilometres. If I have to change horse at the end of every 6 Km.,
how often shall I have to change horses before reaching my destination?
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Answer 1

Answer:

No. Of times horse need to be changed=108/6=18

Hence 18 times is the no. Of times the direction need to be changed

Answer 2

Answer:

108-6=102

102÷6=17times.

and in the book the answer is 17times.