Chickenpox is the disease caused by virus and Ringworm is also a diseases caused by fungus.
The ratio between the number of males and females in a college is 23: 24. If the number of males is increased by 20% and the number of females is increa...
The ratio between the number of books and pencils is 7:5 and the ratio of cost of per book and pencil is 3:2 then find the percentage by which total cos...
Two candles of the same height are lighted at the same time. The first is consumed in 10 hours and the second in 8 hours. Assuming that each candle burn...
The sum of three numbers is 324. If the ratio of the first to the second is 4:5 and that of second to the third is 7:9 then the second number is?
A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the rati...
Two numbers are in the ratio 5:3. After adding 3 and 5 to them respectively the ratio becomes 2:3. Find the bigger number.
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 2 : 4 : 6 : 7. if the loss i...
If A : B = 9:5 and A is 16 more than B then find the sum of A and B.
Monthly savings of ‘Q’ is 20% more than that of ‘P’ and is 54% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 5730 a...
The ratio of the two numbers is 4:11. 120% of the first number is equal to the 70% of the second number. Find the sum of both the numbers.
