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SSC CGL Tier 1 :: GIR Test 49
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1 .
A is 3 years older to B and 3 years younger to C, while B and D are twins. How many years older is C to D?
[ A ]    2
[ B ]    3
[ C ]    6 right
[ D ]    12
Answer : Option C
Explanation :
Since B and D are twins, so B = D.

Now, A = B + 3 and A = C - 3.

Thus, B + 3 = C - 3 $\Rightarrow$D + 3 = C - 3 $\Rightarrow$C - D = 6
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