- A10
- B20
- C15
- D12
Step-by-Step Solution
In 10 days together they finish . The remaining 2/5 at Gauri's 1/25 per day takes days.
Answer: A) 10
Gauri can prepare a science-fair model in 25 days and Tejas in 50 days. They work on it together for 10 days, after which Tejas drops out. How many more days does Gauri need to finish? (answer in days)
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