Sum of the digits of a two-digit number is 11

Sum of the digits of a two-digit number is 11. When we interchange the digits, it is found that the resulting new number is greater than the original number by 63. Find the two-digit number.

Solution:

Ritu is now four times as old as his brother Raju. In 4 years time, her age will be twice of Raju’s age. What are their present ages?

Solution:

More Solutions:

• Solve the following equations: 5x – 3 = 3x – 5
• Solve the following equations: 5y – 2[y – 3(y – 5)] = 6
• Solve the following equations: y+1/3 – y-1/2 =1+2y/3
• Solve the following equations: 4(3x + 2) – 5(6x – 1) = 2(x – 8) – 6(7x – 4)
• Solve the following equations: 3-2x / 2x+5 = -3/11