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RRB NTPC CBT I 28 Dec 2020 Shift 2 Paper

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Question : 14

Total: 100

If p² + q² - r² = 0, then the value of (p⁶ + q⁶ - r⁶) ÷ p²q²r² is:

-3
1/3
3
3pqr

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