Question
Which of the following metals is used for the
manufacture of heating elements provided in electric iron?Solution
Nichrome is the most common domestic heating element and is found in many household products. Commonly, items such as toasters, hair dryers and heaters use nichrome coils to pass electricity and give off heat. Nichrome is made of 80 percent nickel and 20 percent chromium, and its high melting point of 1,400 degrees Celsius.
- The simple interest earned on investing Rs. (80X + 2000) at simple interest of 15% p.a. for 36 months is Rs. 576 less than the total amount received on inv...
The simple interest received on a certain sum is Rs. 500 less than the sum invested. If the sum was invested at 12% p.a. for 8 years, then find the simp...
Karan invested Rs. (x + 250) in Scheme A at a simple interest rate of 25% p.a. for 2 years, and the interest received is Rs. 1000. He then invested Rs. ...
Someone puts Rs. 18,000 in a scheme offering simple interest at ‘x%’ annually and receives Rs. 22,500 after 2.5 years. If he had instead invested Rs...
What will be the net CI on Rs. 10000 for 4 years at 10% p.a compounded annually?
Rs. 5000 when invested at simple interest of r% p.a. amounts to Rs. 6000 in 24 months. If the same sum had been invested for 1 year at compound interest...
A borrowed Rs. 5200 from B for his business. How much amount A will return to B at the end of 15 months such that the sum was borrowed at simple interes...
If Rs. 25,000 is loaned at a compound interest rate of 50% per annum, and the interest is compounded once every year, what will t...
Simple interest earned on an amount of Rs. 2700 at rate of R% per annum after 4 years is Rs. 270. Find the simple interest earned on an amount of Rs. 18...
P invests Rs. 5,500 on compound interest at 16% p.a. (compounded semiannually) for 1 year. Find the interest earned by 'P'.
Relevant for Exams:
