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Write the inverse , converse of 'If a pa...

Write the inverse , converse of 'If a parallelogram is a square , then it is a rhombus.

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Write the contrapositive and converse of "If a paralleogram is a square,then it is a rhombus".

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Prove that the parallelogram circumscribing a circle is a rhombus.

Prove that the parallelogram circumscribing a circle is a rhombus.

Prove that the parallelogram circumscribing a circle is a rhombus.

Diagonal AC of a parallelogram ABCD bisects A. Show that ABCD is a rhombus.

If the sides of a parallelogram touch a circle, prove that parallelogram is a rhombus.

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OSWAAL PUBLICATION-SAMPLE PAPER 5-EXERCISE
  1. Evaluate:underset(x rarr -1)lim [1+x+x^2+x^3+................+x^10].

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  2. A die is thrown.Write the sample space.Also find the probability of th...

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  3. Write the inverse , converse of 'If a parallelogram is a square , then...

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  4. Two series A and B with equal means standard deviation 9 and 10 respe...

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  5. Find the equation of the line perpemdicular to the line x+y+2=0 and pa...

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  6. Convert the complex number -1+i in the polar form ?

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  7. Solve 3x+2y>6 graphically.

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  8. Find the distance between the parallel lines 3x-4y+7=0 and 3x-4y+5 ...

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  9. Show that the points A(1,2,3),B(-1,-2,-1),C(2,3,2) and D(4,7,6) are th...

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  10. In a group of 65 people, 40 like cricket, 10 like both cricket and ten...

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  11. Determine the domain and range of the relation R defined by R={(x,x+...

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  12. Prove that (cos x +cos y)^(2)+(sin x-sin y)^(2)=4 cos^(2) ((x+y)/(2))

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  13. Solve the equation x^2+3x+9=0.

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  14. Find real theta such that (3 + 2i sin theta)/(1-2i sin theta) is purel...

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  15. In a class of 60 students. 30 opted for NCC, 32 opted for NSS and 24 o...

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  16. In a class of 60 students. 30 opted for NCC, 32 opted for NSS and 24 o...

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  17. Find the coefficient of x^(6) y^(3) in the expansion of ( x+ 2y ) ^(...

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  18. Find the sum of the sequence 7,77,777,7777,…….n terms

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

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  20. Find the derivative of the function '-x' with respect to 'x' using fir...

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