Question
Divide Rs 2500 into two parts such that the interest on
one part at 12% for 2 years equals the interest on the other part at 6% for 4 years. Find the two parts.Solution
ATQ, Let 'c' be the sum at 12% and (2500 − c) at 6%. Equating the interest:- On Simplifying:- 24c = {(2500 × 24) - 24c} 24c = 60,000 - 24c 48c = 60,000 c = 60,000/48 c = 1250 The two sums are Rs 1250 and Rs 1250.
- Ramesh invested Rs. 7,500 in scheme ‘X’ offering simple interest of 12% p.a. 3 years later, he reinvested the entire interest earned from scheme ‘X�...
Rs. 85Y when invested for 4 years at simple interest of 11% p.a., yields an interest of Rs. 2992. If Rs. 105Y is invested for 3 years at compound intere...
Ankit and Bhupesh invested a certain amount for 5 months and 7 months respectively. The ratio of the profits earned by Ankit to t...
Arjun made two investments: the first was Rs. 1,600 at an annual simple interest rate of R% for a period of 2 years, and the second was Rs. 2,000 at an ...
In what time will Rs. 2500 amount to Rs. 3327.5 @ 20% compound interest payable half-yearly?Â
Suresh placed Rs. 6,000 into an investment plan that accrues compound interest at an annual rate of 15%, compounded yearly. Calculate 80% of the compoun...
A person invested ₹15,000 in two schemes, Scheme A offering 10% per annum simple interest, and Scheme B offering 12% per annum simple interest. If the...
- Ajay and Vijay jointly invest an amount 'x' in a simple interest scheme for 4 years. Ajay contributes 40% of 'x' at an interest rate of 7% per annum, while...
‘When Rs. (a + 800) is invested at 30% p.a. simple interest for 5 years it gives an interest of Rs. (4a + 900). Find the value of ‘a’.
Mark invested Rs 15,000 in a scheme at simple interest 20% per annum. After three years he withdrew the principal amount plus invested the entire amount...