1. What annual payment will discharge a debt of Rs. 1620 dues in 5 years at 4% p.a. SI.Sol:B = 1620n = 5y = 1r = 4%∴ B = (na + frac{{ra}}{{100y}} times frac{{n(n – 1)}}{2}) 1620 = (5a + frac{{4a}}{{100 times 1}} times frac{{5 times 4}}{2})a = 300 Rs. Answer...
1. The cost price of 48 books is equal to selling price of 40 books. Find the profit %. View Solution 2. The selling price of 15 article is same as the cost price of 9 article. Find the gain or loss %. View Solution 3. The ratio of CP and SP is 4:5. Find the profit...
1. Find the greatest weight which can be contained exactly in 80 kg & 100 kg. View Solution 2. Find the LCM of 120, 162 and 198. View Solution 3. Find LCM of 2.4, 0.36 and 7.2. View Solution 4. Find LCM of (frac{8}{{15}},frac{3}{{10}},frac{9}{{40}}). View Solution...
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...
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