4.

a. Who am I?
• My tens place is 2.
• My lakhs place is 2.
• My hundreds place is twice the lakhs place.
• My thousands place is thrice the tens place.
• My ten lakhs place is 3 less than the thousands place.
• My one’s place is 2 less than the thousands place.
• My ten thousand place is 8.

3286424

explain

To determine who you are, let's break down the given information step-by-step:

Step 1: Tens place is 2.
This means that the digit in the tens place is 2.

Step 2: Lakhs place is 2.
This means that the digit in the lakhs place is 2.

Step 3: Hundreds place is twice the lakhs place.
Since the lakhs place is 2, the hundreds place would be twice that, which is 4.

Step 4: Thousands place is thrice the tens place.
Since the tens place is 2, the thousands place would be thrice that, which is 6.

Step 5: Ten lakhs place is 3 less than the thousands place.
Since the thousands place is 6, the ten lakhs place would be 3 less than that, which is 3.

Step 6: One's place is 2 less than the thousands place.
Since the thousands place is 6, the one's place would be 2 less than that, which is 4.

Step 7: Ten thousand place is 8.
This means that the digit in the ten thousand place is 8.

Putting all the information together, we can conclude that your number is:
208,648

To find out who you are, let's go through each piece of information one by one and narrow down the possibilities:

1. Your tens place is 2: This means the number you are ends with a 2.

2. Your lakhs place is 2: This means the number you are has a 2 in the hundred-thousands place (the sixth digit from the right).

3. Your hundreds place is twice the lakhs place: Since the lakhs place is 2, the hundreds place is 2*2 = 4.

4. Your thousands place is thrice the tens place: The tens place is 2, so the thousands place is 3*2 = 6.

5. Your ten lakhs place is 3 less than the thousands place: The thousands place is 6, so the ten lakhs place is 3 less, which means it is 6 - 3 = 3.

6. Your one's place is 2 less than the thousands place: The thousands place is 6, so the one's place is 6 - 2 = 4.

7. Your ten thousand place is 8: The ten thousand place is 8, so the eight digit from the right is 8.

Putting all these digit values together, we get the number you are: 382,428.

Therefore, you are the number 382,428.