Question

If all the letters of the word $REPEAT$ are arranged in alphabetical order in a dictionary. The, the tank of the word $REPEAT$ is

• A. $267$
• B. $506$
• C. $519$
• D. $508$

Answer 1

Answer: (C)

$519$

$REPEAT$

$A⟶5!$

$E⟶5!$

$E⟶5!$

$P⟶5!$

$R⟶A⟶4!$

$E⟶A⟶3!$

$E⟶3!$

$P⟶A⟶2!$

$E⟶A⟶T=1$

$=5!+5!+5!+5!+4!+3!+3!+2!+1$

$=4\times 5!+4!+2!+2!+1$

$=480+24+12+2+1$

$=519$

Hence, the answer is $519.$