Statement sums involving Coins


 
 
Concept Explanation
 

Statement sums involving Coins

Statement sums involving Coins: While solving statements involving coins, we will multiply the value of the coin with number of coins to get the amount.

Example: Saurabh has Rs 34 fifty paise and twenty-five paise coins. If the number of 25-paise coins be twice the number of 50-paise coins, how many coins of each kind does he have?

Solution   Let the number of 50-paise coins be x. Then,

               Number of 25-paise coins = 2x

              large therefore    Value of x t Fifty paise coins large =50times x;;paise=Rsfrac{50times x}{100}=Rsfrac{x}{2}

Value of 2x twenty-five paise coins large =25times 2x paise

                                                      = 50 x paise

                                                     large = Rs.;large frac{50x}{100}= Rs;frac{x}{2}  

    large Total ;value; of ;all; coins = Rsleft ( frac{x}{2}+frac{x}{2}right )=Rs ;;x

But, the total value of the money is Rs 34

large therefore ;;x=34

Thus, number of 50-paise coins = 34

Number of twenty-five paise coins large =2x=2times 34=68

 

Sample Questions
(More Questions for each concept available in Login)
Question : 1

A person has Re. 1, Rs. 2 and Rs. 5 coins. If the number of Rs. 5 coins is twice the number of Rs. 2 coins and the total number of coins is 200. Find the total sum of money he has if there are 50 Rs. 2 coins.

Right Option : C
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Explanation
Question : 2

In a bag, there are coins of 5, 2 and 1 Rs. in the ratio 2:3:5. If the bag contains Rs 10,500 in all, then how many 2 rupee coins are there?

Right Option : B
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Explanation
 
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