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A piggy bank contains hundred 50p coins,...

A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 coins and ten Rs 5coins. If is equally,likely that one of the coins will fall out when the bank is turned upside down, what is the.probability that the coin (i) will be a 50 p coin?

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A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 coins and ten Rs5 coins. If is equally,likely that one of the coins will fall out when the bank is turned upside down, what is the.probability that the coin(ii)will not be a Rs 5 coin

I have a total of Rs 300 in coins of denomination Rs 1, Rs 2 and Rs 5, the number of Rs 2 coins is 3 times the numbers of Rs 5 coins. The total number of coins is 160. How many coins of cash denomination are with me?

Kripabar posesses coins worth Rs. 25.40. Some of these are 50 paise coins and the rest are 10 paise coins. What is the number of coins of each kind he possesses? It is given that the he has 8 more 10 paise coins than 50 paise coins.

A metre stick is balanced on a knife edge at its centre. When two coins, each of masb 5 g are put one on top of the other at the 12.0 cm mark, the stick is found to be balanced at 45.0 cm. What is the mass of the metre stick?

Which of the following arguments are correct and which are not correct? Give reasons for your answer (i) If two coins are tossed simultaneousIy there are three possible outcomes-two heads, two tails or one of each. Therefore,for each of these outcomes,the probability is 1/3.

R G PUBLICATION-PROBABILITY-EXERCISE
  1. A box contains 5 red marbles, 8 white marbles and 4 green marbles.One ...

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  2. A box contains 5 red marbles, 8 white marbles and 4 green marbles.One ...

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  3. A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 c...

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  4. A piggy bank contains hundred 50p coins, fifty Rs1 coins, twenty Rs2 c...

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  5. Gopi buys a fish from a shop for his aquarium. The shopheeper takes ou...

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  6. A game of chance consists of spinning an arrow which comes to rest poi...

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  7. A game of chance consists of spinning an arrow which comes to rest poi...

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  8. A game of chance consists of spinning an arrow which comes to rest poi...

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  9. A game of chance consists of spinning an arrow which comes to rest poi...

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  10. A die is thrown once. Find the probability of getting (i) a prime numb...

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  11. A die is thrown once. Find the probability of getting (ii) a number ly...

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  12. A die is thrown once. Find the probability of getting (iii) an odd num...

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  13. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  14. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  15. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  16. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  17. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  18. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  19. Five cards— the ten,jack,quene,king and ace of diamonds,are well-shuff...

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  20. Five cards— the ten,jack,quene,king and ace of diamonds,are well-shuff...

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