Practice Probability – Two liquids are mixed in the proportion of 3:2 and the mixture is sold at $11 per litre at a 10% profit. If the first liquid costs $2 more per litre than the second, what does it cost per litre?
Practice Probability – In what ratio tea of Rs.80 per kg be mixed with 12kg tea of Rs.64 per kg, so thai cost price of mixture is Rs.74 per kg?
Practice Probability – A milkman mixed 10 liters of water to 50 litres of milk of Rs.16 per liter, then cost price of mixture per liter is
Practice Probability – Find the quantities of two types of rice to be mixed, first variety is of Rs.12 per kg and second variety is of Rs.20 per kg. to get 12kg of rice mixture worth Rs.15 per kg?
Practice Probability – In what ratio must water be added to 10 liters of milk at Rs.20 per liter so that cost of mixture is Rs.16 per liter?
Practice Probability – A manufacturing company has 15% cobalt ,25% led and 60% of copper. If 5kg of led is used in a mixture, how much copper we need to use:
Practice Probability – A merchant mixes three varieties of rice costing Rs.20/kg, Rs.24/kg and Rs.30/kg and sells the mixture at a profit of 20% at Rs.30 / kg. How many kgs of the second variety will be in the mixture if 2 kgs of the third variety is there in the mixture?
Practice Probability – How many litres of water should be added to a 30 litre mixture of milk and water containing milk and water in the ratio of 7 : 3 such that the resultant mixture has 40% water in it?
Practice Probability – A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?
Practice Probability – Three unbiased coins are tossed. What is the probability of getting at most two heads?
Practice Probability – What is the probability of having 53 Fridays in an ordinary year?
Practice Probability – The probability that a number selected at random from the first 10 natural numbers is prime,is
Practice Probability – Suppose cricket team plays 8 games. The chance of winning any particular game is 50%. Determine the probability of completing the season without ever having more losses than wins during the season:
Practice Probability – a,b,c,d,e sitting in a row what is the probability that a & b sitting adjacent.
Practice Probability – A, B ans C are three speakers. They have to speak randomly along with another 5 speakers in a function. A has to speak before B and B has to speak before C. What is the probability?