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The numbers 1, 3, 5,7, …. 99 and 128 are...

The numbers 1, 3, 5,7, …. 99 and 128 are multiplied together. The number of zeros at the end of the product must be Nil       (b) 7        (c) 19         (d) 22

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. The number of zeros at the end of the product 5xx10xx\ 15xx\ 20xx\ 25x...

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  2. The number of zeros at the end of 60 ! is 12 (b) 14 (c) 16 (d) 18

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  3. The numbers 1, 3, 5,7, …. 99 and 128 are multiplied together. The n...

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  4. The numbers 2,4,6,8,….. 98, 100 are multiplied together. The number ...

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  5. Let S be set of prime numbers greater than or equal to 2 and less t...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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