Conclusions:

Some grapes are fruit is a possibility.    Some apples are not mangoes

Statements:

Statements – 1: All fruits are oranges. All oranges are apples. No orange is mango. No grape is apple.

Statements – 2: Some fruits are oranges. All oranges are apples. Some orange are mango. No grape is apple.

Statements – 3: All fruits are oranges. All oranges are apples. No orange is mango. All grapes are apples

Statements – 4: All fruits are oranges. All oranges are apples. No grape is a fruit. Some grapes are Mangoes

Statements – 5: Some fruits are oranges. All oranges are apples. No orange is mango. Some grapes are Mangoes