Both

Balcony or garden

Balcony


Guitar or piano

Both sound nice

After washing your hands in the washroom - drying them with paper towels or hand dryers

Ground

Cutting board - wooden or plastic

Plastic


Toiler paper roll: Over or Under

over

cello or violen 

windy

Toe socks or regular socks

Depends on what the shape and type


Math or Science

Depends on the math and science to be honest. I remember liking trigonometry, but not
geometry. I liked biology and physics, but did not like chemistry. Science if I have to choose.


Mario Kart or Super Smash Bros.

never played Smash Bros but I love Mario Kart :D

peanuts or pistachios 

Computer

cdrama or kdrama