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P, Q and R together started a business. Four times the investment of P equals five times the investment of Q and the capital of Q is twice that of R. Fi...
The ratio of the two numbers is 4:7. 110% of the first number is equal to the 80% of the second number. Find the sum of both the numbers.
If 3 kg of metal, of which 1/4 is aluminium and the rest is magnesium, be mixed with 5 kg of metal, of which 1/3 is aluminium and the rest is magnesium,...
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 3 : 4 : 5 : 6. if the loss i...
The ratio between two numbers is 7:8. If each number is increased by 9, the ratio between then become 10:11, find the difference between numbers.
If a:(b+c) =3:9 and c:(a+b) =10:14 then find the value of b:(a+c)?
The ratio between the number of males and females in a college is 25: 26. If the number of males increases by 20% and the number of females increases by...
There are some assistants and officers in an office, if 12 assistants leave then there are 2 officers for each assistant. After this again 36 officers g...
If a/b =c/d =e/f =2/3 Then (2a2-3c2+4e2)/ (2b2-3d2+4f2) =?
Marks scored by A and B in a test are in the ratio 13:9 respectively. If B had scored 8 more marks, then marks scored by A would be 30% more than that o...
