Sum of the digits of a two-digit number is 9. When we interchange the digits, it is found that the resulting new number is greater than the original number by 27. What is the two-digit number?

One of the two digits of a two digit number is three times the other digit. If you interchange the digits of this two-digit number and add the resulting number to the original number, you get 88. What is the orginal number?

Word Problem on Numbers The middle digit of a three digit number is 0 . The sum of the extreme two digit is 7 . The number obtained by interchanging the extreme digit keeping, the middle digit same is less then the original number by 99 . Find the original number.

Form the equation from the folllowing: The sum of the digit number is 12 . If the position of thee two digitss are interchanged, th number so formed is smaller than the original number by 18 . Find the number.

Word Problem on Numbers The middle digit of a three digit number is 3 . The digit in the hundredth place is double the digit in the unit place . The number obtained by interchanging the extreme digits keeping middle digit same is less than the original number by 198 .Find the original number.

Find the total number of 9 digit numbers having all different digits.

State true or false The cube of a two digit number may be a three digit number.

State true or false The cube of a two digit number may have seven or more digits.

Form the pair of linear equations in the following problems,and find their solutions(if they exist) by the elimination method:(iii) The sum of the digits of a two-digit number is 9.Also nine times this number is twice the number obtained by reversing the order of the digits.Find the number.

A two digit number, the digit in the units place is x and ten's place is y. What is the number.

Find the sum of all the two-digit natural number which are divisible by 4.