Discussion :: Number Series
- Choose the missing terms out of the given alternatives : Q1F, S2E, U6D, W21C, ?
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Answer : Option C
Explanation :
1st letter :Q + 2 = S + 2 = U + 2 = W + 2 = Y
Middle number : 1 × 1 + 1 = 2 × 2 + 2 = 6 × 3 + 3 = 21 × 4 + 4 = 88
3rd letter : F - 1 = E - 1 = D - 1 = C - 1 = B
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