Question
Conduction band electrons have more mobility than holes
because theySolution
The correct answer is B
Compound interest on a certain sum of money for 2 years is Rs.6800 while the simple interest on the same sum for the same time period is Rs.6400. Find t...
A man, after making the first investment, earned a total interest of Rs. 1,09,200 at the end of 3 years. He invested a certain amount at an annual compo...
- A sum of Rs. 20000 earns compound interest at 9% per annum, compounded half yearly. Find the total interest at the end of one year.
The interest received by investing Rs. 2000 for 2 years at compound interest of 20% p.a., compounded annually, was re-invested for 3 years at simple int...
Asha borrowed Rs. 4000 at R% S.I. and Rs. 6000 at (R + 2)% S.I. for 3 years. If the total interest was Rs. 1860, find the rate on Rs. 6000.
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1800 and simple interest of Rs.1600 at the end of 2 year...
A person invested Rs. x at 20% CI p.a. in scheme A for 2 years. The interest received was reinvested in B for 2 years at 15% SI p.a. The amount received...
If Simple Interest is 12.5% more than the principal and number of years(n), rate(r) are numerically in the ratio 2 : 1, then find the values of n, r.
In what time will Rs. 45000, at 4% per annum, produce the same interest at Rs.18000 does in 5 years at 8% simple interest?
A sum of Rs 8,000 is invested at 6% simple interest per annum. In how many years will the interest amount be Rs 2,400?
