Ratio and Proportion Aptitude Test Paper 3
11) The ratio of income in two consecutive years is 2: 3 respectively. The ratio of their expenditure is 5: 9. Income of second-year is Rs 45000 and Expenditure of first-year is Rs 25000. Find the Savings in both years together.
Let the First-year income = 2x
Income = expenditure + savings
Now, total saving in two years = first-year savings + second-year savings
12) Pervez, Sunny, and Ashu Bhati alone can complete a piece of work in 30, 50, and 40 days. The ratio of their salaries of each day is 4: 3: 2 respectively. The total income of Parvez is Rs 144. Find the total income of Sunny.
Note: Total income = total days * per day salary
Let per day salary of Pervez = 4
Let per day salary of Sunny = 3
Similarly, Sunny can complete the same work in 50 days and his per day salary is 3
Let per day salary of Ashu Bhati = 2
Or, the ratio of total income of Pervez: Sunny: Ashu Bhati = 120: 150: 80
= 12: 15: 8
13) A person covers the different distances by train, bus, and car in the ratio of 4: 3: 2. The ratio of the fair is 1: 2: 4 per km. The total expenditure as a fair is Rs 720. Find the total expenditure as fair on the train.
Distance covered in the ratio T: B: C = 4: 3: 2
Sum of the ratio of total fair = 18
14) The price of silver-biscuit is directly proportional to the square of its weight. A person broke down the silver-biscuit in the ratio of 3: 2: 1, and faces a loss of Rs 4620. Find the initial price of silver-biscuit.
Given ratio = 3: 2: 1
15) B is inversely proportional to the cube of A. If B=3, A=2. If B = 8/9. Find the value of A.
As per the question, B is inversely proportional to A3
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