Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the work?
In Feb 2016, which city topped the 'Swachh Survekshan - 2016' rankings of 73 cities in India with minimum open defecation and extensive adoption of solid waste management practices?
Vishnu travelled equal distances at speeds of 10 kmph, 30 kmph and 8 kmph and took a total of 15.5 min to complete. Find the total distance he travelled, in km.