Total age of all the men in the group = 30 X 32 = 960 years Total age of the 5 men who left = 24 X 5 = 120 years So, total age of the 25 remaining members of the group = 960 - 120 = 840 years So, required average = 840 ÷ 25 = 33.6 years
The ratio of the first and second class fares between two railways stations is 5 : 1 and that of the number of passengers travelling by first and second...
A sum of money is divided in the ratio of 5 : 6. If the larger part is 192. Find the smaller part.
...A plot has to be divided among P, Q and R in the ratio 2:3:5 respectively. If the area of plot received by R is 5200m² more than the area of plot recei...
The number of students in class IX and class X is 70 and 75, respectively. The ratio of the number of boys to girls in classes IX and X is 9: 5 and 8: 7...
The cost of a piece of diamond varies with the square of its weight. A diamond of Rs.9720 value is cut into 3 pieces whose weights are in the ratio 4: 3...
Ratio of monthly income to monthly expenditure of A is 11:9, respectively and monthly savings of A is Rs. 2880. Find the monthly income of A.
In a class, the ratio of students who passed to those who failed is 5:6. If 30 additional students had passed the exam, the ratio would shift to 17:16. ...
A grandfather leaves Rs. 14,350 to be divided among 4 sons, 3 daughters and 3 grandson. If each daughter receives six times as much as each grandson and...
50 litres of a mixture of milk and water contains 14 litres more milk than water. 8 litres water is added to it. The ratio of milk to water in the new m...
There is a mixture of 70 liters of apple juice and water in a vessel. The ratio of apple juice to water is 3:4. If 21 liters of the mixture is taken out...
