1. Find the average of first 67 numbers.Sol:average = (frac{{frac{{n(n + 1)}}{2}}}{n}) = (frac{{n + 1}}{2}) = (frac{{67 + 1}}{2}) = 34 Answer Video Solution on Youtube 2. The average of 35 numbers is 380. If each of the number is divided by 19. Find the new...
1. Find the average of first 67 numbers. View Solution 2. The average of 35 numbers is 380. If each of the number is divided by 19. Find the new average. View Solution 3. The average of 9 result is 60. If the average of first 5 result is 50 and the average of last 5...
1. A starts a business with Rs. 40000. After 5 months B joins him with Rs. 60000. At the end of the year in what ratio should they share the profit ?Sol:When total time is not given then it is assumed 12...
1. A starts a business with Rs. 40000. After 5 months B joins him with Rs. 60000. At the end of the year in what ratio should they share the profit ? View Solution 2. A started a business by investing Rs. 25000. After 3 months B joined him with some investment. At...
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