by shivamtripathi22 | Jun 23, 2025 | Uncategorized
1. What annual payment will discharge a debt of Rs. 1620 dues in 5 years at 4% p.a. SI. View Solution 2. A sum of Rs. 5000 is lent for 4 years at the rate of 5% p.a. at SI. Find the interest. View Solution 3. If the simple interest on Rs. 900 increases by Rs. 30 when...
by shivamtripathi22 | Jun 23, 2025 | Uncategorized
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...
by shivamtripathi22 | Jun 23, 2025 | Uncategorized
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...
by shivamtripathi22 | Jun 23, 2025 | Uncategorized
1. Find the greatest weight which can be contained exactly in 80 kg & 100 kg.Sol:required weight = HCF(80,...
by shivamtripathi22 | Jun 23, 2025 | Uncategorized
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...
by shivamtripathi22 | Jun 23, 2025 | Uncategorized
1. The cost price of 48 books is equal to selling price of 40 books. Find the profit %.Sol:48CP =...
by shivamtripathi22 | Jun 23, 2025 | Uncategorized
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...
by shivamtripathi22 | Jun 23, 2025 | Uncategorized
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...
by shivamtripathi22 | Jun 22, 2025 | Uncategorized
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...
by shivamtripathi22 | Jun 22, 2025 | Uncategorized
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...
