A is 3 years older than B and 3 years younger to C white B and D are twins. How many years older is C to D?
A
3
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B
2
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C
6
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D
12
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Solution
The correct option is C 6 Given:A = B + 3 = C - 3 B = D (they are twins) ⇒ B + 3 = C - 3 ⇒ D + 3 = C 3 ⇒ C = D + 6 Therefore, C is 6 years older than D.