Question
A can complete a piece of work in 27 days. He worked for
21 days and then B finished the remaining work in 8 days. In how many days can A and B finish the work together?Solution
A can complete a piece of work in 27 days. A does the work in 27 days =1 A does the work in 1 day =1/27 A does the work in 21 days = (1/27) ×21=7/9 Remaining work =1-7/9 =2/9 Remaining work finished by B in 8 days =8×9/2=36days. A and B together finish the work – 27 36 108 4 3 =108/4+3 =108/7 =15(3/7) days.
John and Jack entered into a partnership by contributing capital in the ratio of 8:14. After a certain period, Jack withdrew his investment completely....
- Person 'A' invests Rs. 'y' in a business, while person 'B' contributes Rs. (y + 400). After a duration of 2 years, A's profit is 1/6 less than B's profit. ...
A invested Rs. 3X in a business. After four months B Joined him with Rs. 3X and A double his investment. If at the end of the years total profit ...
- X and Y invested Rs. 2,500 and Rs. 4,500 respectively in a startup. After 9 months, X exited, Y lowered his investment by Rs. 500, and Z entered the busine...
A and B invested Rs. 25,000 and Rs. 30,000 in a shop. After 2 months, C joined with Rs. 20,000. If the profit after a year is Rs. 12,600, find B’s sha...
- ‘D’ started a business by investing Rs. 1,600. Seven months later, ‘E’ joined him by investing 50% of D’s capital. If total profit after one year...
C and J are business partners. C invests Rs 30,000, and J invests Rs 20,000 at the beginning of 2020. In each of the next 6 months after the first month...
- Neha and Pooja opened a business with capital investments of Rs. 2900 and Rs. 2100. At the end of the year, they made a profit of Rs. 8000. What is the dif...
‘A’ started a business with the investment of Rs. 12000. After ‘x’ months and after 3 months from starting ‘B’ and ‘C’, respectively, jo...
Akshay and Akhil invest in a business in the ratio 4:1. If 10% of the total profit goes to charity and Akshay's share is Rs. 864.Then find the total pro...
