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Units digit in (784)^(126)+\ (784)^(127)...

Units digit in `(784)^(126)+\ (784)^(127)\ i s` 0 (b) 4 (c) 6 (d) 8

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RS AGGARWAL-NUMBER SYSTEM-All Questions
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  3. Units digit in (784)^(126)+\ (784)^(127)\ i s 0 (b) 4 (c) 6 (d) 8

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  4. The digit in the units place of [(251)^(98)+\ (21)^(29)-\ (106)^(100)+...

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