Question

$\frac1{4!}+\frac1{5!}=\frac{x}{6!}$ആയാൽ x =?

• A. 30
• B. 36
• C. 15
• D. 6

Answer 1

Answer:

B. 36

$\frac1{4!}+\frac1{5!}=\frac{x}{6!}$

$\frac{6!}{4!}+\frac{6!}{5!}=x$

$6\times5+6=x$

$x=36$