Solved IB ACIO Question
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Q · Arithmetical Reasoningmedium · 45s
Ram is 3 times as old as Shyam. 10 years ago Ram was 4 times Shyam’s age. Find Shyam’s age.
TopicArithmetical Reasoning
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Let Shyam’s age = xThen Ram’s age = 3x
10 years ago,Ram’s age = 3x - 10Shyam’s age = x - 10
According to the condition:3x - 10 = 4(x - 10)3x - 10 = 4x - 40x = 30
Answer: Shyam’s age = 30 years
Final Answer: Option B - 30