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Which of the following cannot be the uni...

Which of the following cannot be the unit digit of a perfect square number ?

A

4

B

8

C

9

D

6

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GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
  1. A number when divided successively by 4 and 5 leaves remainders 1 and ...

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  2. A number divided by 13 leaves a remainder 1 and if the quotient, th...

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  3. Which of the following cannot be the unit digit of a perfect square nu...

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  4. What is the unit digit of the sum of first 111 whole numbers

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  5. The digit in unit's place of the product 81 xx 82 xx 83 xx... xx 89 is

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  6. If the unit digit of (433 xx 456 xx 43N) is (N + 2), then what is the ...

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  7. What is the unit digit of (217)^(413)xx(819)^(547)xx(414)^(624)xx(342)...

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  8. What is the digit in the unit's place of the number represented by 3^9...

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  9. Let x= (633)^24- (277)^38+ (266)^54. what is the unit digit of x? मा...

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  10. If x=(164)^169+ (333)^337- (727)^726, then what is the unit digit of x...

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  11. The last digit of the expression 4 xx 9^2 xx 4^3 xx 9^4 xx 4^5 xx 9^...

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  12. The number of factors of 3600 is: 3600 के कितने गुणनखंड है:

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  13. If N=9^(9), then N is divisible by how many positive perfect cubes ?

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  14. If N=3^(14)+3^(13)-12, then what is the largest prime factor of N ?

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  15. The value of (1)/(1xx2)+(1)/(2xx3)+(1)/(3xx4)+..... +(1)/(99xx100) is

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  16. What is the value of/का मान क्या है? 1/(3xx7)+1/(7xx11)+1/(11xx15)+......

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  17. Find the value of the expression: (1/(2^2-1)+1/(4^2-1)+1/(6^2-1)........

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  18. The value of (1)/(15) + (1)/(35) + (1)/(63) + (1)/(99) + (1)/(143) is

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  19. What is the sum of 1 1/2+4 1/6+7 1/12+10 1/20.....up to 20 terms? 1 ...

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  20. By adding 3 and 5 in numerator and denominator of a fraction it become...

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