A started a business by investing Rs. 50,000. After 6 months B joined him by investing Rs. 75,000. After another 6 months C joined with Rs. 1,25,000. What is the ratio of profit shared after 2 years among A, B and C?

The base of a right prism is a tringle with sides 20 cm, 21 cm and 29 cm. If its volume is 7560 cm³, then its lateral surface area ( in cm²) is:

A and  B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in-

Piyush is running at the speed of 8 km/h and he stops for 5 minutes at the end of every third kilometer. How much time will Piyush take to cover a distance of 56 km?

Three partners started business by investing Rs.60,000, Rs.80,000 and Rs.1,20,000 respectively. First partner left the business after 4 months, second after 9 months and third rem ained in the business for the whole year. At the end of year the total profit earned is Rs. 1,60,480, then find their shares of profit.

A and B together can do a piece of work in 16 days and B and C together can do the same work in 24 days. From starting A and B worked for 4 days and 7 days respectively, when A lefts the work then C joins the work and he works for 23 days and complete the work. Then find in how many days will C complete the work alone?

The sides of a triangle are in the ratio of 7: 9 : 12. The difference between the lengths of largest and smallest sides is 15 cm . The length of the largest sides would be: 

$$ { \sqrt{(0.798)^2+0.404×0.798+(0.202)^2}+1=?} $$