A two-digit number exceeds the sum of the digits of that number by 18. If the digit at the unit's place is double the digit in the ten's place, what is the number?

1 USD = Rs. 67.89. A money changer adds a margin of Rs. 1.11. What will be the cost of 150 USD ? 

1. Rs. 10,183
2. Rs. 10,350
3. Rs. 10,330
4. Rs. 10,450

The sum of three consecutive numbers is $126$. Find the highest number-

1. $41$
2. $42$
3. $43$
4. $44$

Find such number, so that one fourth of the number is $8$more than $5$:

If $\mathrm{A}$ is integer, $\mathrm{B}$ is natural number then $\mathrm{B}-\mathrm{A}=?$

Twice the difference between two numbers is equal to their sum. If one number is $15$, Find the other number.

1. $15$
2. $10$
3. $5$
4. $20$

How many times does the number $3$ occur in unit's place for numbers ranging from $1$ to $100$?

1. $20$
2. $11$
3. $10$
4. $19$