Let Asia's and Rani's age be "x"
Since Asia is 10 years bigger Asia will be "x+10"
Asia's Age + Rani's Age = 200
x + x + 10 = 200
2x + 10 = 200
2x = 200 - 10
2x = 190
x = 190
-----
2
x = 95
Asia = x + 10
95 + 10
105
Rani's age is 95 and Asia's Age is 105
