Bissoy.com
Doctors Medicines MCQs Q&A

In a rare coin collection, all coins are either pure gold or pure silver , and there is initially one gold coin for every three silver coins . With the addition of 10 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information , how many total coins are there now in this collection (after the acquisition)?

In a rare coin collection, all coins are either pure gold or pure silver , and there is initially one gold coin for every three silver coins . With the addition of 10 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information , how many total coins are there now in this collection (after the acquisition)? Correct Answer 90

Related Questions

Divya has 1500 coins which are in the combination of gold and silver in the ratio of 5 ∶ 7. She distributed the silver coins among his three sons Nimesh, Monil and Gaurav in the ratio of 7 ∶ 12 ∶ 6. If Gaurav and Monil combined 60% of their silver coins and made jewelry from it and sell the remaining silver coins at Rs. 500 per coin, then the amount earned from selling of silver coin was distributed between Monil and Gaurav in the ratio of 12 ∶ 13. Find the difference between the amount earned by Gaurav and Monil from the silver coin transaction.
Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -
Six coins of gold and silver of equal weights are melted and new coins are cast. The ratio of gold and silver in one of the coins is 2 : 1, in another two coins 3 : 5 and 7 : 5 in the remaining coins. What will be the ratio between gold and silver respectively in the new coins ?
Mrs. Richi Rich inherits 3224 gold coins and divides them amongst her 3 daughters Lalita, Palita and Salita in a certain ratio. Out of the total coins each of them received, Lalita sells her 50 coins, Palita donates 85 of her coins and Salita makes jewellery out of her 39 coins. Now the ratio of gold coins with them is 24 : 21 : 16 respectively. How many coins did Lalita receive from her mother ?
Mr.Rohan while helping the students of Class IV in adding and subtracting fractions observed that several students are not able to complete the addition of two improper fractions. He gave a small test with questions from the addition of proper fractions (one item of addition of two similar fractions, three items from the addition of proper and improper fractions, and four items from the addition of improper fractions). He analyzed the responses of each student and found that nearly 45% of students were not clear in adding proper with improper fractions which were affecting their performance in adding two improper fractions. He, therefore, focused on developing the understanding of improper fractions and their addition with proper fractions after which he proceeded to teach the addition of two improper fractions. Which kind of assessment is depicted by this situation?
Anika and Anushree always used to spend their time by playing coin games after their school hours. Once they decided to play a game of coins in which one player has to guess the number of coins by closing her eyes with the help of clues given by other player. During Anika’s turn, she closed Anushree’s eyes and put some coins on table. She then gave her clue by saying that one fourth of coins are showing their heads but if I turn over two coins then in that case, one third of them will show heads. So, Anushree can you guess how many number of coins I initially placed on the table?
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. P invested Rs. 10000 more than Q in a business, but at the end of the year, they received profit in the ratio 11 ∶ 10, such that P received Rs. 2100 more than Q. R and S also invested in another business in the ratio 1 ∶ 2, but at the end of the year, they received profit in the ratio 6∶ 7, such that R received Rs. 2400 less than S. Quantity A: If P withdrew Rs. 10000 after 6 months of investment, how much money did he initially invested? Quantity B: If S withdrew Rs. 50000 after 4 months of investment, how much money did he initially invested? Quantity C: How much total profit did all four of them earned at the end of the year?
A certain dentist specializes in implanting gold and silver teeth in his patients mouths .He charges $ 650 for a gold tooth an $ 325. for a silver tooth. If his told fees for implanting gold and silver teeth last week were $ 15, 925 in total and he implanted five more gold teeth that silver teeth, how many teeth in total did he implant over the week?
Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Bags X and Y contains Rs. 1, Rs. 2 and Rs. 5 coins in the ratio 6∶ 7∶ 4 and 9∶ 8∶ 5 respectively, such that the total money in the bags X and Y is in the ratio 6∶ 5. The total number of coins in bag X is 51. Quantity A: What is the difference between the number of Rs. 1 coins in the two bags? Quantity B: What is the difference between the number of Rs. 2 coins in the two bags? Quantity C: What is the difference between the number of Rs. 5 coins in the two bags?
The question below is followed by two statements I and II. You have to determine whether the data given is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose the best possible answer.  Belly has some coins out of which some are of 25 Cent and Some are of 50 Cent. If he has a total of 250 coins, how many coins does he have of 25 Cent? I) Belly has three times as many as 50 Cent coins as 25 Cent coins. II) Belly has 20 more 25 cent coins than the 50 Cent coin.