Knowing Our Numbers

How do $50,000$ and $49,999$ compare? Which sign is correct?

Among the numbers $3,030, 3,300, 3,003,$ and $3,330$, which is the greatest?

Choose the correct sign to compare $1,234$ and $1,324$.

Which number is greater than $999$ but less than $1,001$?

Which number is exactly $5,000$ less than the smallest $6$-digit number?

What is the smallest $4$-digit number using four different digits such that the thousands digit is $4$?

Which digit in the hundreds place of $12,\_ 45$ makes it greater than $12,745$?

Compare the two numbers $M = 1,23,456$ and $N = 1,24,356$. Which statement is correct?

If you take any $4$-digit number and append a $0$ to its right side, how does the value of the new number compare to the original?

What is the smallest $5$-digit number using only non-zero digits such that the sum of the digits is $8$?

Which digit is in the Ten Crores place in the number $12,34,56,789$?

How should the number $2030405$ be written with commas in the Indian system?

Which number is $10,000$ more than $90,000$?

The place value of $1$ in the number $1,23,456$ is:

Which digit in the number $5,43,216$ is in the thousands place?

One billion is how many times one million?

What is the face value of $2$ in the number $1,23,45,678$?

What is the value of the digit at the lakhs place in the result of the sum $5,00,000 + 5,00,000$?

What is the largest $4$-digit number that can be formed using digits $1, 2, 3, 4$ exactly once, such that the digit $1$ is always at the tens place?

Find the smallest $5$-digit number formed by using all different odd digits.

If $1$ meter is equal to $100$ centimeters, then $100$ meters is equal to how many centimeters?

How many zeros follow the digit $1$ when writing 'One billion' in figures?

Which of the following is the smallest $5$-digit number?

The result of $100 - 1$ is the greatest number of how many digits?

A factory produces $2,350$ bulbs per day. In the year $2024$ (a leap year), how many bulbs did it produce in the month of February?

Round off $7,58,432$ to the nearest ten thousand.

How many centimeters ($\text{cm}$) are there in $5$ kilometers ($\text{km}$)?

A machine can produce $48$ parts in one minute. If the machine runs for $10$ hours a day, how many parts will it produce in a leap year February?

How many lakhs are there in $5$ billion? (International to Indian system conversion)

The population of a city was $12,34,567$ in 2020. If it increases by $25,000$ every six months, what will be the population at the end of 2025?

To round $85$ to the nearest $10$, we increase the tens digit by $1$ because the ones digit is:

If you round $4,004$ to the nearest $1,000$, what is the result?

Estimate $68 \times 2$ by rounding $68$ to the nearest $10$.

Round $12,341$ to the nearest $10$.

Using the general rule, estimate the product $9 \times 789$.

Estimate $25,489 - 11,511$ by rounding each number to the nearest thousand.

What is the number $8,76,543$ rounded to the nearest thousand?

Estimate the final result of $7,845 - 2,123 + 4,567$ by rounding each number to the nearest hundred.

A company produced $1,45,670$ pens and $2,34,560$ pencils. Estimate the total production by rounding each quantity to the nearest ten-thousand.

Estimate the sum of the first five prime numbers greater than $20$ by rounding each prime number to the nearest ten.

Which expansion correctly uses brackets to find the product $102 \times 4$?

Which of the following is the correct expansion for $104 \times 6$ using brackets?

Which expansion correctly represents $108 \times 3$ using brackets?

How can $103 \times 7$ be written using brackets to simplify the calculation?

Calculate $11 \times 1002$ using the expansion $11 \times (1000 + 2)$.

What is the value of $(100 - 3) \times 15$?

Using brackets, find the value of $203 \times 6$.

Find the value of $99 \times 101$ using the expansion $(100 - 1) \times (100 + 1)$.

Evaluate the following: $10 \times [ 5 + \{ (20 \div 4) \times 3 \} ]$.

Simplify $25 \times 12 + 25 \times 8$ using the property $a \times (b + c)$ and then multiply the result by 2.

What is the Roman numeral for the number $55$?

Convert the Roman numeral $LXXXIV$ into a Hindu-Arabic numeral.

What is the Roman numeral for the number $17$?

How would you express the number $32$ in Roman numerals?

What is the Hindu-Arabic numeral equivalent of the Roman numeral $CMXCVII$?

Subtract the Roman numeral $XI$ from $XCI$. What is the result in Roman numerals?

Express the number $789$ in Roman numerals.

What is the Roman numeral for the total number of hours in exactly two weeks?

Subtract $LXVI$ from the Roman numeral $CLX$. Which Roman numeral correctly identifies the difference?

Find the product of the Roman numerals $XIV$ and $V$.