B Nirmala Shastry Solutions for Exercise 8: MIXED BAG...A Revision Exercise

How many $4$ -digit numbers are there between $999$ and $10000$?

Find the difference between the number $6947528$ and the number obtained by interchanging the digits $9$ and $5$.

Abhishek walks $1800 \mathrm{m}$ each day. How far does he walk in a month in $\mathrm{km}$?

A dealer has $₹3,81,200$. He places an order for purchasing $150$ Ceiling fans at $₹1500$ each. How much money will remain with him after the purchase in $₹$?

How many $3$-digit numbers are there between $100$ and $300$ which remain unchanged (called Palindrome $5$) when the digits are reversed?

Round off $69,541$ to the nearest thousands and the nearest ten thousands.

Round off $6,56,227$ to the nearest thousands and the nearest ten thousand.

Round off the $8,75,101$ to nearest thousands.