Question
A man wants to invest Rs. 60660 in bank accounts of his
two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at an age of 120 years @ 33*1/3% per annum compounded annually. Find the share of elder son?Solution
A = [(P(1+ r/100)]n , 331/3% = 1/3 Let the Principal for younger son be x. And the Principal for elder son be y. Now, Interest to be calculated for Younger son = (120 - 12) = 108 years Elder son = (120 - 16) = 104 years Since Amount will be equally distributed then, [x(1+ 1/3)]108 = [y(1+1/3)104 x [(4/3]108 = y [(4/3)]104 y/x = [4/3](108-104) y/x = 256/81 Elder son’s share = 256/337 × 60660 = 46080
- Amit and Sumit jointly invested Rs. 4200 and Rs. 2800 in a startup. If the total annual profit is Rs. 9800, what is the difference between their shares of ...
Atul,' 'Bhasker,' and 'Chetna' collaborated in a business, contributing initial amounts of Rs. (p + 300), Rs. (p– 100), and Rs. (p – 300), respectiv...
M and N started a business by investing Rs.5000 and Rs.6000 respectively. After 7 months, M and N increased their investments by 60% and Rs.2100 respect...
Rohan and Deepak invested Rs. 10,000 and Rs. 15,000 respectively. After 3 months, Rohan reduced his investment by Rs. 2,000 and Aman joined with Rs. 20,...
A started a business with an investment of Rs.1500. After some months, B joins the business with an investment of Rs.3000 and after two more months C jo...
A, B and C started a business with initial investments in the ratio 4:5:3, respectively. After one year A, B and C made additional investments equal to ...
‘A’, ‘B’ and ‘C’ started a business by investing Rs. 4,000, Rs. 4,800 and Rs. 3,200, respectively. After 6 months, ‘B’ decreased his inv...
If the ratio of time periods of investment of A and B is 3:5, profit at the end of the year is Rs.120000 and A’s share in it is Rs.20000, then what is...
John and David began a business investing Rs. 50,000 and Rs. 40,000 respectively. Six months later, Emma joined with Rs. 30,000. If the yearly profit wa...
A, B and C invested in partnership. A invest Rs.5000 for 4 months, B invests Rs.2000 for 2 months and C invests Rs.8000 for 2 months. C is working partn...
Relevant for Exams:
