JAMB 2001 · UME · Q48CountingIf 6Pr=6^6P_r = 66Pr=6, find the value of 6Pr+1^6P_{r + 1}6Pr+1.A15B30C33D35Worked solution (try it first)6P1=6^6P_1 = 66P1=6, so r=1r = 1r=1.Then 6Pr+1=6P2=6×5=30^6P_{r + 1} = {^6P_2} = 6 \times 5 = 306Pr+1=6P2=6×5=30, option B.Report a problem with this question