Q. [ 1/? ]
5!! + 8!!! =
5!! + 8!!! = 95
5!!
= 5 × 3 × 1
= 15 × 1
= 15
8!!!
= 8 × 5 × 2 × 1
= 40 × 2 × 1
= 80 × 1
= 80
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
5!! + 8!!!
= 15 + 80
= 95 ☑
~Answer -! ☆
______________
- 5!! + 8!!! =
= ( 5 × 3 × 1 ) + ( 8 × 5 × 2 × 1 )
= ( 15 × 1 ) + ( 40 × 2 × 1 )
= 15 + ( 80 × 1 )
= 15 + 80
= 95 ✔