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Prove that the sum of the squares of the...

Prove that the sum of the squares of the diagonals of rhombus is equal to the sum of the squares of the sides.

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CHETAN PUBLICATION- PROBABILITY-ASSIGNMENT
  1. Prove that the sum of the squares of the diagonals of rhombus is equal...

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  2. If n(A)=2,P(A)=(1)/(5), then n(S)=?

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  3. One coin and one die are thrown simultaneously. Write the sample space...

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  4. Six faces of a die are as shown below. If the die is rolled once...

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  5. Six faces of a die are as shown below. If the die is rolled once...

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  6. Basketball player John, Vasim, Akash were practising the ball drop in ...

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  7. Length and breadth of a rectangular garden are 77 m and 50 m. There is...

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  8. A card is drawn at random from a pack of well shuffled 52 playing card...

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  9. A card is drawn at random from a pack of well shuffled 52 playing card...

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  10. If two coins are tossed, find the probability of the following events:...

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  11. If two coins are tossed, find the probability of the following events:...

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  12. There are 15 tickets in a box, each bearing one of the number from 1 t...

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  13. There are 15 tickets in a box, each bearing one of the number from 1 t...

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  14. In a hockey team there are 6 defenders, 4 offenders and 1 goalee. Out ...

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  15. In a hockey team there are 6 defenders, 4 offenders and 1 goalee. Out ...

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  16. A bag contains 3 red, 3 white and 3 green balls. One ball is taken out...

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  17. A bag contains 3 red, 3 white and 3 green balls. One ball is taken out...

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  18. A bag contains 3 red, 3 white and 3 green balls. One ball is taken out...

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  19. If two dice are rolled simultaneously, find the probability of the fo...

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  20. If two dice are rolled simultaneously, find the probability of the fo...

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  21. If two dice are rolled simultaneously, find the probability of the fo...

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