There are some assistants and officers in an office, if 15 assistants leave then there are 2 officers for each assistant. After this again 45 officers g...
The monthly salary of Anuj to Bisht is in the ratio 4:3, and the monthly income of Bisht to Chetan is in the ratio 2:1. If the difference between Chetan...
6 years ago ratio of the ages of the two persons A and B was 5:2. 4 years hence the ratio of their ages will be 7:4. Find the present age of B.
In two alloys, the ratio of iron and copper is 4: 3 and 6: 1, respectively. If 28 kg of the first alloy and 56 kg of the second alloy is mixed
In a college the ratio of boys and girls are in the ratio 6:7. 60% girls and 25% boys were absent. Find the girls present if the total number of student...
If x+3, x-2, 6 and 5 are in proportion then find the mean proportional to x and 9x2.
Find 'X' if the below three numbers are in proportion.
2.6, 1.3, X
Two numbers are in the ratio 6:5. After adding 3 and 5 to them respectively the ratio becomes 2:3. Find the bigger number.
If A:B = 3:4 and B:C = 5:7, then find the value of A:B:C.
'F' distributed sweets among his four children and retained some for himself. The three eldest girls received sweets in the ratio of 3:11:7. The total n...