APPSC Group-I Prelims 2019 Paper II · Question 18

Question 18 of the APPSC Group-I Prelims 2019 Paper II (26 May 2019). Try it first, then open the answer and explanation.

1. Prelims 2019 · P-II · Q18 · Mental Ability & Reasoning · Arithmetic

   What should come in place of the question marks in (∛?)/2.56 = 100/? ?

   ప్రశ్నార్థకం స్థానంలో ఏది రావాలి (∛?)/2.56 = 100/?

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   Answer: 64

   సమాధానం: 64

   Cross-multiplying gives ? × ∛? = 256, i.e. ?^(4/3) = 256 = 4⁴, so ? = 4³ = 64. Check: ∛64/2.56 = 4/2.56 = 1.5625 = 100/64.

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