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In a group of goats and hens, the total ...

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

A

6

B

8

C

10

D

12

Text Solution

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The correct Answer is:
D
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DISHA PUBLICATION-Fundamentals-Practice Exercises(Foundation level)
  1. The simplified value of ((1+1/(1+1/100))(1+1/(1+1/100))-(1-1/(1+1/100)...

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

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

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

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  5. root3(4 12/125)=?

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

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

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

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

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

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

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

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

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  14. 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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  15. The least number by which we multiply to the 11760, so that can get a ...

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  16. ((0.081xx0.484)/(0.0064xx6.25))^(1/2)=?

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  17. If 5sqrt(5) xx 5^(3) /5^(-3/2) = 5^(a +2) then the value of a is

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  18. If difference between them 4/5 " of " 3/4 of a number and 2/5 " of " 1...

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  19. If sum of two numbers is 42 and their product is 437, then find their ...

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  20. 54.327 xx 357.2 xx 0.0057 is the same as:

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