Start learning 50% faster. Sign in now
ATQ, 4 - (20/a) + (28/a) = a2 = (4/a2) + (9/a) - 3 7 - (29/a) + (24/a2) = 0 7a2 - 29a + 24 = 0 (7a - 8)(a - 3) = 0 a = 8/7, 3 Equation II b2 - 4b + 2 = 1/8 × (2b - 5) 8b2 - 32b + 16 = 2b - 5 8b2 - 34b + 21 = 0 (4b - 3)(2b - 7) = 0 b = 3/4, 7/2 Equation III, c2 + 10.5 = 17c/2 2c2 - 17c + 21 = 0 (2c - 3)(c - 7) = 0 c = 3/2, 7 s = 3 + 7 = 10 r = (8/7) × (7/2) = 4 New Equation (x - 10)(x - 4) = 0 x2 - 14x + 40 = 0
A certain sum is invested at a simple interest rate of 10% per annum for a certain period. If the sum becomes five times the principal at the end of the...
The simple interest earned on a certain sum after 6 years at 17% p.a. is Rs. 10,200 more than the simple interest earned on the same sum after 3 years ...
A person deposited Rs. 30,000 in a savings account that earned simple interest at a rate of 'x%' per annum. After 2 years, the total amount in the accou...
A certain amount of money, when invested for 20 years at an annual simple interest rate of x%, generates an interest equal to the principal amount. Fin...
A certain sum of money becomes 7000 in 6 years and Rs. 8240 in 10 years at any certain rate of simple interest. Find the principal amount.
The compound interest on a certain amount for 2 years at 4% per annum is ₹ 1,020, if interest is compounded annually. Find the simple interest on that...
If the ratio of the sum invested and simple interest received after 1 year is 25:6 respectively, then find the rate of interest.
What will be the compound interest earned on an investment of Rs. 20,000 over a period of 3 years at an annual interest rate of 12%, compounded yearly?
Some amount out of Rs. 12000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amou...