There are 1,00,000 rice varieties. If a person eats 3 varieties per day, will they be able to eat all of them in 10 years?

Assuming 365 days in a year:

$$\text{Number of days} = 10 \text{ years} \times 365 \text{ days/year} = 3650 \text{ days}$$

The person eats 3 varieties per day:

$$\text{Total varieties eaten} = 3650 \text{ days} \times 3 \text{ varieties/day} = 10950 \text{ varieties}$$

Total rice varieties available = 1,00,000
Total varieties eaten in 10 years = 10,950

Since $10950 < 100000$, the person will not be able to eat all 1,00,000 rice varieties in 10 years.

The person will only be able to eat 10,950 varieties in 10 years.

Answer:
No, the person will not be able to eat all 1,00,000 rice varieties in 10 years. They will only be able to eat $\boxed{\text{10,950 varieties}}$.