Question

Arrangamanty
(n-1))
( frac{2}{2}=frac{(8-1)}{2}: frac{=71}{2} 2520 )

# sweets of different s of different ages Des to be younger a sweet is - 145. The number of ways in which 8 different beads be strung on a necklace is - (a) 2,500 (b) 2,520 (C) 2,250 (d) None of these

Solution