Question
A sum of ₹12,000 earns ₹1,920 as simple interest in
4 years. What will be the compound interest on the same sum in 2 years at the same rate of interest per annum?Solution
Simple Interest per year = ₹1,920 / 4 = ₹480. Rate of interest = (480 / 12,000) × 100 = 4% Compound Interest = P × [(1 + r/100)^t - 1]: CI = 12,000 × [(1 + 4/100)^2 - 1] = 12,000 × (1.0816 - 1) = 12,000 × 0.0816 = ₹979.2. Correct Option: d
- ‘X’ started a business by investing Rs. 2,000. After 3 months, ‘Y’ joined with 50% of X’s investment. If the annual profit is Rs. 6,600, find the...
‘Karan’ invested Rs. 3,000 in a business. After 5 months, ‘Lokesh’ joined with 60% of Karan’s investment. If the total profit at the end of th...
A started a business with an investment of Rs.1000. After some months, B joins the business with an investment of Rs.2000 and after three more months C ...
'A' and 'B' started a business by investing Rs. '6x' and Rs. '8x' respectively. Five months later, 'A' withdrew Rs. 100 from his investment whereas 'B' ...
A, B, and C invest ₹12,000, ₹18,000, and ₹24,000, respectively, in a business. After 4 months, A withdraws ₹4,000, and B adds ₹6,000. C withdr...
- Amit and Sumit jointly invested Rs. 4200 and Rs. 2800 in a startup. If the total annual profit is Rs. 9800, what is the difference between their shares of ...
A and B started a business together by investing Rs. 10,800 and Rs. 6,300, respectively. They maintained their investments for periods in the ratio of 7...
Three individuals, L, M, and N, invest Rs 28,000, Rs 35,000, and Rs 42,000 respectively in a business. At the end of the year, they earn a profit of Rs ...
'A' and 'B' started a business with a combined capital of Rs. 3600. 'A' invested Rs. 400 more than 'B'. At the end of the first year, 'A' raised his inv...
- Ramesh and Raj started a business by investing Rs. 4,800 and Rs. 7,200 respectively. Raj withdrew his money after a few months. At the end of one year, the...