Some pens are divided among A, B, C and D. A gets twice the number of pens that B gets. C gets the same number of pens as D gets. If A gets 25 pens more than D and the ratio of the number of pens that
A). 100
B). 50
C). 75
D). None of these
In a colony of 70 residents, the ratio of the number of men and women is 4:3. Among the women, the ratio of the educated to the uneducated is 1:4. If the ratio of the number of education to uneducated
A). 1:2
B). 3:4
C). 1:4
D). 2:3
The ratio of two natural numbers is 5:6. If a certain number is added to both the numbers, the ratio becomes 7:8. If the larger number exceeds the smaller number by 10, find the number added?
A). 5
B). 10
C). 20
D). 30
The ratio of the ages of Anil and his son at present is 7:3. Six years hence, the ratio of the ages of the Anil's wife and the son will be 2:1. Find the ratio of the present ages of Anil and his wife?
A). 6:5
B). 4:3
C). 5:4
D). Cannot be determined
Find the numbers which are in the ratio 3:2:4 such that the sum of the first and the second added to the difference of the third and the second is 21.
A). 12, 8, 16
B). 6, 4, 8
C). 9, 6, 24
D). 9, 6, 12