So, hundreds digit = 4
Hence, required number = 100 x 8 + 10 x 2 + 6
=826.
EXERCISE 4 A
1, In a two-digit number the units digit is four times the tens digit and the sum of the digita 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 numbe
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 numbe
exceeds the sum of its digits by 27. Find the number.
A two-digit number is 3 more than 4 times the sum of its digits. If 18 is added to the number, i
digits are reversed. Find the number.
The sum of the digits of a two-digit number is 13. The number obtained by interchanging ita digi
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 digita
63. What is the difference between the digits of the number?
7. In a 3-digit number, the hundreds digit is twice the tens digit while the units digit is thrice
tens digit. Also, the sum of its digits is 18. Find the number.
VISIBILITY TESTS
Divisibility by 2
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