Step 4. There are three possible outcomes: scale tilts left - means the heavy coin is in group 1,2 & 3 scale tilts right - means the heavy coin is in group 4,5 & 6 scale balances - means the heavy coin is in group 7,8 & 9 Using one weighing we have successfully narrowed three groups down to one. one is 1 : 2 and another is 2 : 3. take the LCM of 3 (1 +2) , 5 (2 + 3) is 15. Output For each test case output a single line, containing the maximum amount of American dollars you can make. We take one coin from pile #1, two coins from pile #2, three coins from pile #3 and so on until we have 10 coins from pile #10. Online aptitude preparation material with practice question bank, examples, solutions and explanations. of coins 25 paise coins-x. A ball is drawn at random from the chosen urn and it is found to be white. Put 1,2 & 3 on the left side and 4,5 & 6 on the right side. Solution:Here two mixtures. So straight in to the answer we number the piles 1 through 10. This gives us 55 coins which if they were all pure would … 5 paise coins-3x Name what you are looking for.. In box I both are gold coins, in box II both are silver coins and in box III one is gold and 1 is silver. Ratio and Proportion - Quantitative aptitude tutorial with easy tricks, tips, short cuts explaining the concepts. 1 of the bags is selected at random and a ball is drawn from it.If the ball drawn is red, find the probability that it is drawn from the third bag. Solution (write answer up - to 2 decimal place) There is an equal probability of each urn being chosen. Find the number of possible distinguishable arrangements of the 8 coins. Both the mixtures are mixed in the ratio of 3 : 1, Find the ratio after mixing the two mixtures. Robert has 4 indistinguishable gold coins and 4 indistinguishable silver coins. If you try changing the coin 2 into 3 smaller coins, you will get 1, 0 and 0, and later you can get no more than $1 out of them. There are three urns containing 2 white and 3 black balls, 3 white and 2 black balls, and 4 white and 1 black balls, respectively. Read the problem. Step 1. PROBLEM-SOLVING STRATEGY. The second line of the test case contains N integers describing the number of coins in the N piles. Step-by-step explanation: Given that a bag contains 25 paise, 10 paise and 5 paise coins. The given coins are in ratio 1:2:3 respectively and total amount of money is Rs.30 . If the coin is of gold, what is the probability that the other coin is the box is also of gold. Restate the problem in one sentence. The number of 5 paise coins are 3(50)=150 coins . Output For each test case output a single integer containing the minimum number of coins needed to be removed in a new line. E1 = First bag is chosen E2 = Second bag is chosen Explanation You can change 12 into 6, 4 and 3, and then change these into $6+$4+$3 = $13. we have to find the number of 5 paise coins. Click here👆to get an answer to your question ️ Given 3 identical boxes I,II and III each containing two coins. Translate into an equation. Step 2. He wants to stack the eight coins on a table into a single stack so that no two adjacent coins are face to face. A coin is drawn from one of the boxes. Each coin has an engraving of one face on one side, but not on the other. Step 3. Let x be the no. Identify what you are looking for.. If one ball is drawn at random from each of three boxes containing 3 white and 1 black, 2 white and 2 black, 1 white and 3 black balls, then the probability that 2 white and 1 black balls will be drawn is ... A coin is tossed three times. 10 paise coins-2x. Make sure you understand all the words and ideas. For example, assume that Alice chooses to "push" the piles on her first move, handing the piles of 1 and 4 coins over to Bob, doubling them to 2 and 8. Both mixtures are mixed in 3 : 1 Sol: Let E1, E2, E3 and A are the events defined as follows. Example-18: Two vessels contain quantity of mixture of water and milk in the ratio 1 :2 & 2 : 3 respectively. Example 15: Three bags contain 3 red, 7 black; 8 red, 2 black, and 4 red & 6 black balls respectively. Video lectures to prepare quantitative aptitude for placement tests, competitive exams like MBA, Bank exams, RBI, IBPS, SSC, SBI, RRB, Railway, LIC, MAT. Example Input 3 4 0 2 2 2 2 6 3 1 2 5 1 1 1 6 3 Constraints 1<=T<=50 1<=N<=100 1<=A i <=1000 0<=K<=1000 .