

MCQOPTIONS
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1. |
In how many ways can 10 boys be seated in a row having 28 seats such that no two friends occupy adjacent seats? |
A. | ¹³P₅ |
B. | ⁹P₂₉ |
C. | ¹⁹P₁₀ |
D. | ¹⁵P₇ |
Answer» D. ¹⁵P₇ | |