Question
A, B and C enter into partnership by making investments
in the ratio 3: 5: 7. After a year, C invests another Rs 337600 while A withdraws Rs 45600. The ratio of investments then changes to 24: 59: 167. How much does A invest initially?Solution
Let their investment be =3x, 5x, 7x After a year A investment = 3x - 45600 B investment= 5x C investment =7x + 337600  New ratio = 3x - 45600: 5x (3x-45600)/5x=24/59  x = 47200 So A investment =47200 × 3 =1, 41, 600Â
Two numbers are less than a third number by 40% and 46% respectively. Find the percent by which the second number is less than the first.
A man donated 9%, 20% and 22% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums rec...
- The revenue of a company grows by 15% each year. If the current revenue is ₹2,00,000, what will be the revenue after 2 years?
In a city, the number of persons travelling by bike is 65% the number of persons travelling by metro. The number of persons travelling on foot is 80% th...
Two students appeared in an exam and one secured 10 marks more than the other. If marks of student who got more marks is 52% of the sum of the marks of ...
A man's annual income has increased by Rs 5 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays Rs 10,000 more inco...
In a school, the average number of books that some numbers of boys have is 100 and average number of books that some numbers of girls have is 70. If eac...
If X = 75% of Y and Y = 125% of Z, then find the ratio of X to that of Z.
Meenu spent 30% of the salary on entertainment and 10% on makeup. She spent 10% of the remaining on the food and 50% of the remaining invested in mutual...
In 2020, 62(1/2)% of employees in a company were male. In 2021, the total number of employees and the number of male employees increased by 28(4/7)% and...