7 years ago, a mother and daughter were 48 years old together. Their age difference is 26 years. What is the daughter’s age now?

Question: 7 years ago, a mother and daughter were 48 years old together. Their age difference is 26 years. What is the daughter’s age now?

1. 19 years
2. 17 years
3. 18 years
4. 20 years

Correct Answer: C — 18 years

Explanation: Add twice the years passed to their past total; combine the present sum with their age gap.
Daughter = (48 + 2 × 7 − 26) ÷ 2 = 18 years.