Rahul Sofat Solutions for Chapter: Knowing Our Numbers, Exercise 9: EXEMPLAR PROBLEMS

In Roman numeration, if a symbol is repeated, its value is multiplied as many times as it occurs.

Estimated sum of $7,826$and $12,469$rounded off to hundreds is $20,000$.

The number five crore twenty three lakh seventy eight thousand four hundred one can be written, using commas, in the Indian system of numeration as _____.

Estimate the product $5981\times 4428$ by rounding off each number to the nearest tens.

Estimate the product $5981\times 4428$ by rounding off each number to the nearest hundreds.

The diameter of Jupiter is $142800000$metres. Insert commas suitably and write the diameter according to International system of numeration.

A mobile number consists of ten digits. The first four digits are $9, 9, 7$ and $9$. Make the smallest mobile number by using only one digit twice from $8, 3, 5, 6, 0$.

A factory has a container filled with $35874 \mathrm{litres}$ of cold drink. How many bottles of $200 \mathrm{ml}$ capacity each can be filled.