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The units digit of 13^(2003) is (a) 1 (b...

The units digit of `13^(2003)` is (a) 1 (b) 3 (c) 7 (d) 9

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. Let S be set of prime numbers greater than or equal to 2 and less t...

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  2. Find the number of zeros at the end of the result 3xx6xx\ 9xx\ 12xx...

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  3. The units digit of 13^(2003) is (a) 1 (b) 3 (c) 7 (d) 9

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  4. The digit in the units place of the number 123^(99) is 1 (b) 4 (c) ...

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  5. Match list I with list II and select the correct answer: List I ...

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  6. The digit in the units place of the number (67)^(25)-1 must be 0 (...

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  7. The units digit in the product 274 xx 318 xx 577 xx 313 is 2 (b) 3 ...

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  8. In the product 459 xx 46 xx 28* xx 484, the digit in the unit place is...

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  9. The digit in the unit place of the number representsed by (7^(95)-3...

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

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

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  12. The digit in the units place of the product (2464)^(1793)xx\ (615)^(31...

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  13. If x is an even number, then x^(4n), where n is a positive integer, wi...

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  14. If m and n are positive integers, then the digit in the units place of...

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  15. The number formed from the last two digits (ones and tens) of the e...

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  16. The last digit in the decimal representation of (1/5)^(2000) is (a) 2...

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  17. Let x be the product of two numbers 3, 659, 893, 456, 789, 325, 678...

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  18. Let a number of three digits have for its middle digit the sum of t...

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  19. What least value must be given to n so that the number 6135n2 becom...

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  20. Find the multiple of 11 in the following numbers. 112144    (b) ...

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