Question
Which device is used to convert digital signals into
analog signals?Solution
Explanation: A modem (modulator-demodulator) converts digital data from a computer into analog signals for transmission over phone lines and vice versa.
- Anjali invested Rs. 9,150 at a simple interest rate of 4% p.a. for 5 years. If she receives Rs. '2n' in total, what is the product of all digits in 'n'?
Find the total amount received on investing Rs. 12,000 for 2 years at compound interest of 10% p.a., compounded annually.
A sum doubles in seven years at simple interest. In how many years will the sum become five times the original sum?
A certain amount, when invested at a simple interest rate of 18.2% per annum, grows to Rs. 14,552 in 4.5 years. What is the initi...
A man deposited Rs. 12000 at 10% compound interest, compounded annually while Rs. 10500 at 13% simple interest per annum. What will be the difference be...
What will be the differnce between SI & CI on Rs. 70000 for 3 years at rate of 40% per annum ?
- A sum of money amounts to Rs. 2040 at 18% per annum simple interest after 2 years. If the same sum is invested at the same rate of interest, but compounded...
Two persons A and B invest money in two schemes. A invests Rs. 6000 for 2 years in R% CI per annum. B invests Rs.7000 for 2 years in 20% CI per annum. I...
- Mr. Arun invested Rs. x in Scheme 1 and Rs. x/4 in Scheme 2. The schemes offered simple interest at 7% p.a. and 12% p.a. respectively. If the interest earn...
Mr. Karan invested his funds in 3 different projects 'P', 'Q', and 'R' in the ratio 7:6:5, respectively. The rates of interest offered by projects 'P', ...