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Third proportional = a : b :: b : c It can be written as = b2 = ac Here, a : b : c = 12 : 48 : c => 48 × 48 = 12 × c => c = (48 × 48)/12 = 192
A bag contains coins of Rs 1, 50p, and 25p and the ratio of their values is 15: 12: 7. If there are a total of 1340 coins then what will be the total nu...
Rs.1581 is divided among A, B and C in the ratio 10 : 15 : 6. What is the share of B?
The ages of A, B and C are in the ratio of 5:3:7 respectively. If the sum of their ages is 60 years, then find the age of B.
The ratio of number of boys and girls in a factory of 600 workers is 7:3. How many more girls should be joined to make the ratio 1:1?
In a class of 250 students, 150 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
If A:B = 7:6 and B:C = 12:15 respectively, then find the value of (A + C) :(A + B) .
The ratio of the number of English books to Hindi books in a library shelf is 4:3. If 90 Hindi books are written by Pradeep, which constitutes 30% of th...
Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 44% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 5150 a...
The ratio of two numbers is 5:11. If each number is decreased by 2, the ratio becomes 4:9. Find the smaller numbers.
Marks scored by A and B in a test are in the ratio 13:8 respectively. If B had scored 4 more marks, then marks scored by A would be 30% more than that o...
