benchmarks.wiki / Public workspace
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Omni-MATH / At the start of a 5 hour trip, the odometer in Jill's car indicates that her car…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
problem
At the start of a 5 hour trip, the odometer in Jill's car indicates that her car had already been driven 13831 km. The integer 13831 is a palindrome, because it is the same when read forwards or backwards. At the end of the 5 hour trip, the odometer reading was another palindrome. If Jill never drove faster than
\( 80 \mathrm{~km} / \mathrm{h} \), her greatest possible average speed was closest to what value?Plain-text mathematical notation (without MathML)
At the start of a 5 hour trip, the odometer in Jill's car indicates that her car had already been driven 13831 km. The integer 13831 is a palindrome, because it is the same when read forwards or backwards. At the end of the 5 hour trip, the odometer reading was another palindrome. If Jill never drove faster than \( 80 \mathrm{~km} / \mathrm{h} \), her greatest possible average speed was closest to what value?Original LaTeX notation
At the start of a 5 hour trip, the odometer in Jill's car indicates that her car had already been driven 13831 km. The integer 13831 is a palindrome, because it is the same when read forwards or backwards. At the end of the 5 hour trip, the odometer reading was another palindrome. If Jill never drove faster than \( 80 \mathrm{~km} / \mathrm{h} \), her greatest possible average speed was closest to what value?Discussion
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Source and history
- task_id
2e47d923-2de2-5ef5-830f-dc1b7bd1529c- task_key
test--2e47d923-2de2-5ef5-830f-dc1b7bd1529c- task_revision_id
- 1
- config / split
- / test
initial import