The tenth digit of two digit number is less by 3 than the unit digit. If the product of the two digits are subtracted from the number the result is 15. Find the unit digit of a number.

The tens' digit of a two digit number is less by 3 than the unit digit. If the product of the two digits are subracted from the number, the result is 15. Find the unit digit of the number.

Ajay has written a two digit number in his copy of which the tens digit is less by 4 tha the unit digit. If the product of the two digit is subrated from the number , the result is equal to the square of the difference of two digits of that number. Write the number which Ajay can write in his copy.

The unit digit of a two digit number exceeds its tens' digit by 7 and the product of two digits is less by 10 from the number. Find the quadratic equation.

The unit digit of a two digit number exceeds the tens digit by 6 and the product of two digits is less by 12 then the number. Calculate the possible unit digit of two digit number.

The unit digit of a two digit number exceeds its tens' digit by 6 and the product of two digits is less by 12 from the number.Hence find the required quadratic equation.

The tens' digit of a two digits number is twice of its unit digit. If 40 is subtracted from the number then the two digits of the new number becomes equal. Find the number.

If a two digit positive number is multiplied by its unit digit, then the product is 189 and if the tens digit is twice of the unit digit, then find the unit digit.

A two digit number is such that the product of its digits is 8. When 18 is added to the number they interchange their places. Determine the number

The two digited fermat number is

How many two digit numbers are divisible by 3 ?