1. 

If A x B ÷ C - D + E, then A is E's

A. great-aunt
B. brother
C. maternal uncle
D. mother
E. None of these

Answer: Option A

Explanation:

A x B so A is a sister, hence a female. Generation gap : (0) + (+1) + (0) + (+1) = +2.

So, A is E's grandmother's generation.
Correct choice

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