Number System — Important Questions

4,800

Step 1: To round off to the nearest hundred, look at the tens digit of 4,768. Step 2: The tens digit is 6. Step 3: Since 6 is greater than or equal to 5, we increase the hundreds digit by 1. The hundreds digit is 7, so it becomes 8. Step 4: Replace the tens and ones digits with zeros. Step 5: 4,768 rounded to the nearest hundred = 4,800.

4,58,201

Step 1: Both numbers have the same number of digits (6 digits each). So we compare digit by digit from the left. Step 2: Leftmost digits: both have 4. Move to next digit. Step 3: Second digit from left: both have 5. Move to next digit. Step 4: Third digit: 4,52,896 has 2 and 4,58,201 has 8. Since 8 > 2, the number 4,58,201 is greater. Step 5: We stop comparing as soon as we find a difference. Answer: 4,58,201 > 4,52,896.

70

Step 1: To round off 73 to the nearest ten, look at the ones digit. Step 2: The ones digit of 73 is 3. Step 3: Since 3 is less than 5, we do NOT increase the tens digit. We keep the tens digit as 7. Step 4: Replace the ones digit with 0. Step 5: 73 rounded to the nearest ten = 70. Remember: if the ones digit is less than 5, round down (keep the tens digit same and put 0 in ones place).