‘D’ and ‘E’ can complete a project in 40 days, while ‘E’ and ‘F’ can complete it in 60 days. ‘D’ and ‘E’ worked together on it f...
(0.25) -1.5 = ?
In jar 1, 280litres of milk was mixed with 50 litres of water. Some of the mixture was taken out from Jar 1 and put into Jar 2. When 36 litres of milk ...
A jar contains a mixture of two types of oil, A and B. Oil A costs Rs 60 per litre and oil B costs Rs 90 per litre. In what ratio should A and B be mixe...
11kg of tea costing Rs. 440 per kg is mixed with 14 kg of tea costing Rs. 360 per kg. The average price per kg of the mixed tea is
The combined Average marks of Boys and girls of a class is 66 and the ratio of number of boys and girls is 3:1 and the average marks of the boys is 68. ...
Two trains, A and B, are traveling towards each other on parallel tracks. Train A is traveling at a speed of 60 miles per hour, and Train B is traveling...
The average of n numbers is 60. If each of 55% of the numbers is increased by 12 and each of the remaining numbers is decreased by 12, then the new aver...
The speed of the boat exceeds the speed of the stream by 66.67%. Determine the speed of the boat in still water.
Statemen...
