P5/P6 Math: Overlapping Shapes and Areas

Such questions usually appears in P5 Paper 2 after students have learnt ratio.
These questions are also common for P6 exams.

Calculator usage is accepted.

"Equal Fraction" concepts and "Ratio" concepts are required to solve this question.

Overlapping tiles

The question below will randomize with different numbers every hour. 
Copy below question down before making attempt.

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