Travelling
A man drove from A to B.
On the first day he travelled 1/3 of the distance.
On day two he travelled 1/2 of the remaining distance.
On day three he travelled 2/3 of the remaining distance.
On day four, after covering 3/4 of the remaining distance, he was still 5 miles away from B.
How many miles had he covered in total upto day four?
Answer:
175 miles.
The total trip was 180 miles. Working backwards:
Day 1: travelled 1/3 leaving 120 miles, which means that 120 miles is 2/3, so 180 miles were left at the start of Day 1.
On the first day he travelled 1/3 of the distance.
On day two he travelled 1/2 of the remaining distance.
On day three he travelled 2/3 of the remaining distance.
On day four, after covering 3/4 of the remaining distance, he was still 5 miles away from B.
How many miles had he covered in total upto day four?
Answer:
175 miles.
The total trip was 180 miles. Working backwards:
Day 1: travelled 1/3 leaving 120 miles, which means that 120 miles is 2/3, so 180 miles were left at the start of Day 1.
Day 2: travelled 1/2 leaving 60 miles, which means that 60 miles is 1/2, so 120 miles were left at the start of Day 2.
Day 3: travelled 2/3 leaving 20 miles, which means that 20 miles is 1/3, so 60 miles were left at the start of Day 3.
Day 4: travelled 3/4 leaving 5 miles, which means that 5 miles is 1/4, so 20 miles were left at the start of Day 4.
Of the 180 miles overall, 175 were covered in the 4 days.
Of the 180 miles overall, 175 were covered in the 4 days.
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