RRB NTPC CBT I 18 Jan 2021 Shift 1 Paper

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Question : 65 of 100

Marks: +1, -0

If a³ + b³ : a³ - b³ = 185 : 158 then a : b = ?

10 : 2
5 : 4
2 : 3
7 : 3

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