Question

EXERCISE 4 A
-1. In a two-digit number the units digit is four times the tens digit and the sum of the digits is 10.
Find the number.
2. The units digit of a two-digit number is 3 and seven times the sum of the digits is the number
itself. Find the number.
3. In a two-digit number, the digit at the units place is thrice the digit in the tens place. The number
exceeds the sum of its digits by 27. Find the number.
4. A two-digit number is 3 more than 4 times the sum of its digits. If 18 is added to the number, its
digits are reversed. Find the number.
5. The sum of the digits of a two-digit number is 13. The number obtained by interchanging its digits
exceeds the given number by 9. Find the original number.
6. The difference between a 2-digit number and the number obtained by interchanging its digits is
63. What is the difference between the digits of the number?
9. In a 3-digit number, the hundreds digit is twice the tens digit while the units digit is thrice the
tens digit. Also, the sum of its digits is 18. Find the number.​

Answer 1

Answer:

a 2-digit number and the number obtained by interchanging its digits is

63. What is the difference between the digits of the number?

9. In a 3-digit number, the hundreds digit is twice the tens digit while the units digit is thrice the

tens digit. Also, the sum of its digits is 18. Find the number.

Plz follow