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find the value 287xx287+269xx269-2xx287x...

find the value `287xx287+269xx269-2xx287xx269=?`

A

534

B

446

C

354

D

324

Text Solution

Verified by Experts

The correct Answer is:
D
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DISHA PUBLICATION-Fundamentals-Practice Exercises(Foundation level)
  1. find the value 287xx287+269xx269-2xx287xx269=?

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  2. If (64)^2-(36)^2=20xx x, " then " x=?

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  3. If sqrt3=1.732 and sqrt2 =1.414 , " the value of " 1/(sqrt3+sqrt2) is

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  4. sqrt(0.01+sqrt(0.0064))=?

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  5. find the value of 356xx936-356xx836=?

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  6. The value of (1/2 div 1/2 "of"1/2)/(1/2+1/2 "of"1/2) is

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  7. The simplified value of ((1+1/(1+1/100))(1+1/(1+1/100))-(1-1/(1+1/100)...

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  8. If 5^a =3125, then the value of 5^(a-3) is

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  9. In a group of goats and hens, the total number of legs is 12 more than...

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  10. The value of : sqrt((0.324xx0.081xx4.624)/(1.5625xx0.0289xx72.9xx64)) ...

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  11. root3(4 12/125)=?

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  12. If 3^(4X-2)=729, then find the value of X.

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  13. What number must be added to the expression 16 a^(2) - 12 a to make it...

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  14. The value of [1/(sqrt9-sqrt8)]-[1/(sqrt8-sqrt7)]+[1/(sqrt7-sqrt6)]-[1/...

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  15. Simplify: 5root3(250)+7root3(16)-14root3(54)

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  16. The no plate of a bus had peculiarity. The bus number was a perfect sq...

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  17. If ** means adding 6 times the second number to the first number then ...

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  18. If a and b are positive ingegers, such that a^b = 125, " then " (a - b...

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  19. If p xx q = p+q+p/q, then find the value of 8 xx 2.

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  20. If x*y=x^2+y^2-x y , then the value of 9*11 is (a) 93 (b) 103 (c) 1...

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