Choose the correct alternative to complete the pattern:
1224364860, 1122334455, 1020304050,_________

Options

A. `918273642`
B. `918273644 `
C. `918273645 `
D. `918273643 `

Answer

To solve the problem and find the next number in the sequence, we will analyze the given numbers step by step.

### Step 1: Identify the Sequence
The given numbers are:
1. 1224364860
2. 1122334455
3. 1020304050

### Step 2: Analyze the Pattern
We need to look for a pattern in the sequence. Let's break down each number into pairs of digits:
- 1224364860 can be broken down into (12)(24)(36)(48)(60)
- 1122334455 can be broken down into (11)(22)(33)(44)(55)
- 1020304050 can be broken down into (10)(20)(30)(40)(50)

### Step 3: Identify the Decrease in the First Pair
Notice that the first pair of digits in each number decreases:
- From 12 to 11 to 10.

### Step 4: Continue the Pattern
Following the pattern, the next number should start with 9:
- The first pair should be (9).

### Step 5: Complete the Next Number
Continuing the pattern of pairs, we can create the next number:
- The pairs would be (9)(18)(27)(36)(45).

### Step 6: Combine the Pairs
Now, we combine these pairs into a single number:
- 918273645.

### Conclusion
Thus, the next number in the sequence is **918273645**.

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