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If sqrt((x-1)(y+2))=7 , x and y being ...

If `sqrt((x-1)(y+2))=7` , `x` and `y` being positive whole numbers, then the values of `x` and `y` respectively are (a) 8, 5 (b) 15, 12 (c) 22, 19 (d) None of these

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RS AGGARWAL-SQUARE ROOTS AND CUBE ROOTS-All Questions
  1. sqrt(0. 0169xx?)=1. 3 (a) 10 (b) 100 (c) 1000 (d) None of these

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  2. If sqrt(1369)+sqrt(. 0615+x)=37. 25 , then x is equal to 10^(-1) (b) 1...

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  3. If sqrt((x-1)(y+2))=7 , x and y being positive whole numbers, then ...

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  4. If sqrt(. 04xx. 4xxa)=. 004xx. 4xxsqrt(b) , then a/b is 16xx10^(-3) (b...

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  5. Three-fifth of the square of a certain number is 126.15. What is th...

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  6. sqrt((0. 361)/(0. 00169))=? (1. 9)/(13) (b) (19)/(13) (c) (1. 9)/(130...

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  7. sqrt(48.4/0.289) is equal to a. 1\ 5/17 b. 12\ 1/17 c. 12\ 16/17 d. 12...

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  8. If sqrt(1+x/(169))=(14)/(13) , then x is equal to (a) 1 (b) 13 (c) 27 ...

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  9. sqrt(1+(55)/(729))=1+x/(27) , then the value of x is (a) 1 (b) 3 (c...

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  10. sqrt(4/3)-sqrt(3/4)=? (4sqrt(3))/6 (b) 1/(2sqrt(3)) (c) 1 (d) -1/(2sq...

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  11. The value of sqrt(2) upto three places of decimal is (a) 1.41...

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  12. (2sqrt(27)-sqrt(75)+sqrt(12)) is equal to sqrt(3) (b) 2sqrt(3) (c) 3sq...

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  13. By how much does sqrt(12)+sqrt(18) exceed sqrt(3)+sqrt(2) ? sqrt(2)...

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  14. (sqrt(24)+sqrt(216))/(sqrt(96))=? 2sqrt(6) (b) 2 (c) 6sqrt(2) (d) 2/(...

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  15. The value of (sqrt(80)-sqrt(112))/(sqrt(45)-sqrt(63)) is 3/4 (b) 1 ...

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  16. If 3sqrt5+sqrt(125)=17.84then sqrt(80)+6sqrt5=

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  17. sqrt(50)xxsqrt(98) is equal to (a) 63.75 (b) 65.95 (c) 70 (d) 70.25

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  18. Given sqrt(2)=1. 414 . The value of sqrt(8)+2sqrt(32)-3sqrt(128)+4s...

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  19. The approximate value of (3sqrt(12))/(2sqrt(28))-:(2sqrt(21))/(sqrt...

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  20. sqrt(110. 25)xxsqrt(0. 01)-:sqrt(0. 0025)-sqrt(420. 25) equals (a) ...

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