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.
A loan of Rs. 305 was taken at a certain rate per annum of compound interest, for 3 years. After 3 years the amount repaid was Rs. 670, calculate the rate of compound interest.
In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase. lack of skill, ability, or competence
Akash starts a business with Rs 85000 and Payal joins him with Rs 102000. If the profit at the end of a year is divided in the ratio 1 : 1, then after how many months did Payal join Akash?