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Rewrite the following statement if then ...

Rewrite the following statement if then in five different ways conveying the same meaning
If a natural number is odd, then its square is also odd.

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Rewrite the following statement with “if-then” in five different ways conveying the same meaning. 'If a natural number is odd, then its square is also odd'.

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Find the mean of first five natural numbers.

Write the converses of the following statements. Also, devide in each case whether the converse is true or false. : If an integer is odd, then its square is an odd integer.

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JBD PUBLICATION-MODEL PAPER (8)-EXERICSE
  1. Find out which of the following sentences are statements and which are...

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  2. Find out which of the following sentences are statements and which are...

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  3. Rewrite the following statement if then in five different ways conveyi...

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  4. There are 210 members in a club. 100 of them drink tea and 65 drink te...

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  5. If y=f(x)=(2x+3)/(5x-2), prove that f(y)=x.

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  6. If sin theta= n sin(theta+2 alpha), show that : tan(theta+ alpha)=(1+n...

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  7. Prove by mathematical induction that 1+3+3^2+…………+3^(n-1)=(3^n -1)/2

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  8. Find the number of words which can be made by using all the letters of...

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  9. If C(n,10)=C(n,12), determine n and hence C(n,5).

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  10. The A.M. between two positive numbers is 34 and their G.M. is 16. find...

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  11. If (a^n+b^n)/(a^(n-1)+b^(n-1)) is the A.M. between a and b, then find ...

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  12. Find the equations of the lines, which pass through the point (4, 5) a...

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  13. Find the area of the triangle formed by the lines joining the vertex o...

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  14. Evaluate: underset(xrarr1)lim (3x^2-2x-10)/(x^2-4).

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  15. Find the derivative of (x^(n)-a^(n))/(x-a) for some constant a, x ne...

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  16. A card is drawn from a well shuffled pack of 52 cards. Find the probab...

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  17. A card is drawn from a well shuffled pack of 52 cards. Find the probab...

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  18. If z=x+iy and |(z-3)/(z+3)| = 2, show that x^2+y^2+10x+9=0.

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  19. If (1-7i)/(2i)^2= a+ib, then find the value of a and b.

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  20. Give the graphical solution of the following system of inequalities: 2...

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