JEE PYQ Pattern

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Try the first 5 questions

1.
If [a b c] = 4, then [(a x b), (b x c), (c x a)] equals:
2.
If a+b+c = 0, then a x b equals:
3.
If a x (b x c) = (a x b) x c, then which is necessarily true?
4.
The volume of the tetrahedron with vertices (1,2,3), (3,2,1), (2,1,3), (1,3,2) is:
5.
If a, b, c are non-coplanar and p = (b x c)/[a b c], q = (c x a)/[a b c], r = (a x b)/[a b c], then a.p+b.q+c.r equals:

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