Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Q: Problem: income and expenditure of a person are in the ratio 7: 6. if the income of the person is rs. 14000, then find his savings ?
Options: a. 500, b. 1000, c. 1500, d. 2000, e. 2500

A: d
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Q: Problem: j is faster than p. j and p each walk 24 km. sum ofthe speeds of j and p is 7 kmph. sum of time taken by them is 14 hours. then j speed is equal to ?
Options: a. 4, b. 5, c. 6, d. 7, e. 8

A: a
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Q: Problem: meena wrote all the numbers from 1 to 29,999 inclusive. how many digits did she write in total ?
Options: a. 118,889, b. 138,889, c. 159,889, d. 188,789, e. 188,989

A:
b
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