PSLE Math 2021 Paper 2 Question 10

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(ABC Repeated Identity Ratio Question)

PSLE Math 2021 Paper 2 Question 10

Solving a Primary School Maths Heuristics question about ratio.

Ans: 192
A → 3u
B → 2u
C → 7u
7u (C) - 2u (B) = 5u (diff)
5u → 80
1u → 80 ÷ 5 = 16
12u→16×12 =192

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