Question
On a circular path of 693 m, Sujata and Anjali start
walking from the same point but in opposite directions at speeds of 2.85 km/h and 1.5 m/sec, respectively. When they will meet for the first time?Solution
2.85 km/hr = 2.85 x (5/18) =0.79 m/s Relative speed = 0.79 + 1.5 = 2.29 m/s Time = Distance/relative speed Time 693/2.29 Time = 302.62 seconds Time = 5.04 minutes They will meet for the first time after 5.04 minutes.
Harvey, Mike, and Donna started a business together, with the ratio of Harvey's investment to Mike's being 5: x, and the ratio of Mike's investment to D...
In a business, A invested Rs. 1500 more than that by B. After 10 months, A left the business. If at the end of the year, profit earned by B is equal to ...
Pragya and Pankaj started a business investing Rs.70, 000 and Rs. 30,000 respectively. In what ratio the profit earned after 2 years be divided?
X, Y, and Z invested ₹1,20,000, ₹1,50,000, and ₹1,80,000, respectively, in a partnership business. The annual profit was ₹1,50,000. If X withdre...
A and B started a business by investing Rs.450 and Rs.600 respectively. After 8 months, A increased his investment by Rs.850. Find the ratio of annual p...
Sohan starts a business with an initial investment of Rs. 20,000. After 5 months, Rohan joins the business by investing Rs. 5,000 more than Sohan. After...
‘M’ started a business with an investment of Rs. 2700. After 3 months ‘N’ joins the business with an investment of Rs. 2200. If the total profit...
‘A’ and ‘B’ started a business by investing Rs. 12000 and Rs. 18000, respectively. 6 months later, ‘C’ joined them with an investment equal ...
A and B started a retail store with initial investments in the ratio 6:7 and their annual profits were in the ratio 3:4. If A invested the money for 7 m...
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,...
Relevant for Exams:
