A two digit number is such that the product of its digits is 18. when 63 is subtracted from the number, the digits interchange their places. Find the number. OR A plane left 30 minutes later than the scheduled time and in order to reach its destination 1500 km away in time it has to increase its spedd by 250 km/hr from its usual speed. Find its usual speed.

A two-digit number is such that product of its digits is 18. When 63 is subtracted from the number, the digits get interchanged. Find the number.

A two digit number is four times the sum of the digits. It is also equal to 3 times the product of digits. Find the number.

A two digit number is four times the sum of the digits. It is also equal to 3 times the product digits . Find the number.

A two-digit number is 4 times sum of its digits. It is also equal to 3 times the product of its digits. Find the number.

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

Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method : 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.

What will be the unit digit of the squares of the following numbers 81

Asha is 5 times as old as her daughter Usha, 5 years later Asha will be 3 times as old as her daughter Usha. Find the present ages of Asha and Usha. Or The sum of 2 digits of a 2 digit number is 12 the number obtained by interchanging the digits exceeds by the given number by 18. Find the number.