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What is the least number to be added to 7700 to make it a perfect square? (a) 77     (b) 98      (c) 131     (d) 221     (e) None of these

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RS AGGARWAL-SQUARE ROOTS AND CUBE ROOTS-All Questions
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  5. The greatest four-digit perfect square number is (a) 9000       ...

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  6. The least number of 4 digits which is a perfect square is (a) 10...

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  7. The sum of 18 consecutive natural numbers is a perfect square. What...

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  8. sqrt(2+sqrt3)*sqrt(2+sqrt(2+sqrt3))*sqrt(2+sqrt(2+sqrt(2+sqrt3))) *sqr...

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  9. Given sqrt(5)=2. 2361 , sqrt(3)=1. 7321 , then 1/(sqrt(5)-sqrt(3)) is ...

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  10. 1/(3-sqrt8)-1/(sqrt8-sqrt7)+1/(sqrt7-sqrt6)-1/(sqrt6-sqrt5)+1/(sqrt5-2...

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  11. Determine the value of 1/(sqrt(1)+sqrt(2))+1/(sqrt(2)+sqrt(3))+1/(s...

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  12. The expression 1-1/(1+sqrt(3))+1/(1-sqrt(3)) equals 1-sqrt(3) (b) 1...

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  13. (2+sqrt(2)+1/(2+sqrt(2))+1/(sqrt(2)-2)) simplifies to 2-sqrt(2) (b)...

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  14. What is the value of 1/(sqrt(5)+sqrt(3))+2/(3+sqrt(5))-3/(3+sqrt(3)...

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  15. If sqrt(2)=1. 4142 , the value of 7/((3+sqrt(2))) is (a) 1.5858 ...

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  16. (3sqrt2)/(sqrt6-sqrt3)-(4sqrt3)/(sqrt6-sqrt2)-(6)/(sqrt8-sqrt12)=? a. ...

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  17. (sqrt(7)+sqrt(5))/(sqrt(7)-sqrt(5)) is equal to (a) 1 (b) 2 (c) 6-sqrt...

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  18. If (5+2sqrt(3))/(7+4sqrt(3))=a+bsqrt(3) , then a=-11 ,\ \ b=-6 (b) a=-...

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  19. If sqrt(2)=1. 414 , the square root of (sqrt(2)-1)/(sqrt(2)+1) is n...

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  20. Given that sqrt(3)=1. 732, the value of (3+sqrt(6))/(5sqrt(3)-2sqrt(12...

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