Solve these $-$ db$.$ inventory.find$(\{\})$

$-$ db$.$inventory.find$(\{$ status: $"$D$"\})$

$-$ db$.$inventory.find$(\{$ status: $\{$ $in: $["$A$","$D$"]\}\})$

$-$ db$.$inventory.find$(\{$ status: $"$A$",$ qty: $45\})$

$-$ db$.$inventory.find$(\{$ $or: $[\{$ status: $"$A$"\},\{$ qty: $45\}]\})$

$-$ db$.$inventory.find$().$limit$(2)$