Downstream speed of the boat = 150/15 = 10 km/hr Upstream speed of the boat = 130/13 = 13 km/hr Speed of boat in still water = (10 + 10)/2 = 10 km/hr Distance travelled by the boat in still water in 5 hours = 10 × 5 = 50 km
The ratio of liquor and soda in a mixture of 60 liters is 3:2. How much soda should be mixed to make the ratio 5:7?
A and B together can complete a work in 12 days. B and C together can complete the same work in 15 days, and A and C together can complete it in 20 days...
There are two buckets X and Y containing mixture of milk and water in which concentration of milk is (a-9)% and (a+15)%, respectively. They are mixed to...
A glass contains a certain quantity of vodka. After removing 8 liters of vodka and replacing it with lime, this process is repeated twice more—first, ...
In a 280-litre mixture (milk + water), the ratio of quantities of milk and water is 3:4, respectively. How much water should be added to this mixture su...
A shopkeeper has 78 kg rice a part of it, he sells at the profit of 26% and rest at loss of 13% and he get the loss of 9% so what is the quantity sold a...
In a Mixture, the ratio of Milk and Water is 7: 5. If 12 litre mixture drawn off and replace by 8 litre water then the ratio of Milk and Water become 1...
Find the smallest number which when successively divided by 4, 7 and 5 will give the remainder 2, 1, 3.
In what ratio rice at 48 Rs/kg should be mixed with the rice at 34 Rs/kg so that selling mixture at Rs 46 per kg gives the profit of 15% if the quantity...
A trader mixes two types of rice varieties with a cost of Rs.68 and Rs.80. If he sells the mixture of Rs.88 at 25% profit, in what ratio he mixes two ty...
