[shahkb4]

shahkb4

3 June, 2026 at 8:22 pm #1104

Solution

A, D, P, U,U,Y
A □ such words $=6!/ 2!=360$
D $\_\_\_\_$ such words $=6!/ 2!=360$
$\mathrm{P}—-$ such words $=6!/ 2!=360$
R $\_\_\_\_$ such words $=6!/ 2!=360$
Till $\overline{\mathrm{n}} \overline{\mathrm{ow}} \overline{1} 4 \overline{4} 0$ words

U

U A □ such words $=5!=120$
left → D, P, R, U, Y
Till now 1560 words
U D A P $\_\_\_\_$ such words $=3!=6$
left R,V,Y
U D A R $\_\_\_\_$ such words $=3!=6$
left P,U,Y
U D A U $\_\_\_\_$ such words $=3!=6$
left R,P,Y
Till now 1578 words
UDAYPRU $\rightarrow 1579{ }^{\text {th }}$ word
UDA Y P U R $\rightarrow 1580{ }^{\text {th }}$ word Answer(1)