Question:The ratio of the ages of Mona and Sona is 4:5. Twelve years hence, their will be in the ratio of 5:6. What will be Sona's age after 6 years?
Answer Let their present ages ages be 4x & 6x Then `(4x + 12)/(5x + 12)`=`5/6` or x = 12 `:.` Sona's age after 6 years = (5x + 6) = 66 years
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The ratio of the ages of Mona and Sona is 4:5. Twelve years hence, their will be in the ratio of 5:6. What will be Sona's age after 6 years?