In International System of numeration, the sum of 35486526 and 29637779 can be written as

Options

A. Sixty five crore one lakh forty three thousand five
B. Six crore fifty twelve lakh four thousand three hundred five
C. Sixty five million one hundred twenty four thousand three hundred five
D. Six million five thousand one hundred twenty four thousand three hundred five.

Answer

To solve the problem of finding the sum of 35486526 and 29637779 and expressing it in the International System of Numeration, we will follow these steps:

### Step-by-Step Solution:

1. **Write the numbers vertically for addition:**
```
35486526
+ 29637779
```

2. **Add the numbers column by column starting from the rightmost digit:**
- **Units place:** 6 + 9 = 15 (write down 5 and carry over 1)
- **Tens place:** 2 + 7 + 1 (carry) = 10 (write down 0 and carry over 1)
- **Hundreds place:** 5 + 7 + 1 (carry) = 13 (write down 3 and carry over 1)
- **Thousands place:** 6 + 3 + 1 (carry) = 10 (write down 0 and carry over 1)
- **Ten thousands place:** 8 + 6 + 1 (carry) = 15 (write down 5 and carry over 1)
- **Hundred thousands place:** 4 + 9 + 1 (carry) = 14 (write down 4 and carry over 1)
- **Millions place:** 5 + 6 + 1 (carry) = 12 (write down 2 and carry over 1)
- **Ten millions place:** 3 + 2 + 1 (carry) = 6 (write down 6)

3. **Combine the results from each column:**
- From the addition, we get:
```
65124205
```

4. **Identify the number in the International System of Numeration:**
- The number 65124205 can be expressed as:
- 65 million (since 1 million = 1,000,000)
- 124 thousand (since 1 thousand = 1,000)
- 205 (the remaining units)
- Therefore, it is written as **65,124,205**.

### Final Answer:
The sum of 35486526 and 29637779 in the International System of Numeration is **65,124,205**.