Try this:
1.
SELECT subject.PaperName
, subject.Marks
FROM
course
INNER JOIN
ids
ON course.Courseno = ids.Courseno
INNER JOIN
subject
ON ids.PaperID = subject.PaperID
INTO TABLE result;
2.
INSERT INTO result
SELECT subject.PaperName
, subject.Marks
FROM
course
INNER JOIN
ids
ON course.Courseno = ids.Courseno
INNER JOIN
subject
ON ids.PaperID = subject.PaperID
3.
SELECT subject.PaperName
, subject.Marks
INTO result
FROM
course
INNER JOIN
ids
ON course.Courseno = ids.Courseno
INNER JOIN
subject
ON ids.PaperID = subject.PaperID