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(15)^2+(18)^2-20=sqrt(?) (a) 22 (b) 23 ...

`(15)^2+(18)^2-20=sqrt(?)` (a) 22 (b) 23 (c) 529 (d) 279841 (e) None of these

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RS AGGARWAL-SQUARE ROOTS AND CUBE ROOTS-All Questions
  1. (sqrt(196))/7xx(sqrt(441))/7xx(120)/(sqrt(225))=? (a) 48 (b) 54 (c) 5...

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  2. (sqrt((225)/(729))-sqrt((25)/(144)))+sqrt((16)/(81))=? 1/(48) (b) 5/(...

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  3. (15)^2+(18)^2-20=sqrt(?) (a) 22 (b) 23 (c) 529 (d) 279841 (e) None...

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  4. sqrt(?)xxsqrt(484)=1034 (a) 2025 (b) 2209 (c) 2304 (d) 2401 (e) No...

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  5. sqrt(11881)xxsqrt(?)=10137 (a) 8281 (b) 8649 (c) 9216 (d) 9409 (e)...

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  6. In the question (4050)/(sqrt(x))=450 , the value of x is (a) 9 (...

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  7. sqrt((16)/(25))xxsqrt(?/(25))xx(16)/(25)=(256)/(625) (a) 5 (b) 8 (...

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  8. The square root of (272^2-128^2) is (a) 144 (b) 200 (c) 240 (...

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  9. If x*y=x+y+sqrt(x y) , the value of 6*24 is (a) 41 (b) 42 (c) 43...

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  10. If y=5, then what is the value of 10 ysqrt(y^3-y^2)? 50sqrt(2) (b)...

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  11. sqrt(110 1/4)=? (a) 10.25 (b) 10.5 (c) 11.5 (d) 19.5

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  12. sqrt((25)/(81)-1/9)=? 2/3 (b) 4/9 (c) (16)/(81) (d) (25)/(81)

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  13. [(sqrt(81))^2]^2=(?)^2 (a) 8 (b) 9 (c) 4096 (d) 6561 (e) None of t...

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  14. The digit in the unit’s place in the square root of 15876 is (a) 2 ...

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  15. Which of the following is closest to sqrt(3) ? (a) 1.69 (b) (173...

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  16. How many two-digit numbers satisfy this property: The last digit (u...

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  17. What percentage of the numbers from 1 to 50 have squares that end i...

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  18. While solving a mathematical problem, Samidha squared a number and ...

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  19. How many perfect squares lie between 120 and 300? (a) 5       (b) 6...

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  20. The number of perfect square numbers between 50 and 1000 is (a) 21 ...

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