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Joan’s age is 42 years and Kelvin’s age is 26 years. How many years ago was Kelvin’s age half of Joan’s age?
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- 6 Years
- 4 Years
- 10 Years
- 8 Years
Correct Option: C
| Let before P years , Kelvin’s age = | (John’s age) | 2 |
| ⇒ (26 – P) = | (42 – P) | 2 |
⇒ 52 – 2P = (42 – P)
⇒ 52 – 2P = (42 – P)
⇒ P = 52 – 42 = 10 years
Hence, 10 years ago was Kelvin’s age half of Joan’s age .
