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Number of ways in which 8 people can be arranged in a line if A and B must be next each other and C must be somewhere behind D, is equal to

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RESONANCE DPP-JEE MAINS-All Questions
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  3. Number of ways in which 8 people can be arranged in a line if A and B ...

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  4. For all real numbers x, let the mapping f (x) = 1/(x-i). where i =sqrt...

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