Revathi Sivasankar and Manikandan Jayaprabha Solutions for Chapter: Numbers, Exercise 1: EXERCISE

Write the equivalent Roman numeral:

$120$

Write the equivalent Roman numeral:

$150$

Write the equivalent Roman numeral:

$90$

How many $4$ digit numbers can be formed using $0,7,1,9$ without repeating any digit? Write the number.

How many times does the digit $1$ occur in the numbers from $100 \text{to} 1000?$

Tom had $5$ million in his bank account. He deposited $6$ lakhs more into this account. What is his bank balance now in the Indian system?

Jerry had $1$ crore rupees. He purchased a plot for $\text{Rs. 25 lakh}$ and a car for $\text{Rs}. 6 \text{lakh}$. How much is left with him?

How many $10$ crores are there in $1$ billion?