Question
Rainbow is seen after rain because of hanging molecules
of water which act as –Solution
In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. In a rainbow, raindrops in the air act as tiny prisms. Light enters the raindrop, reflects off of the side of the drop and exits. In the process, it is broken into a spectrum just like it is in a triangular glass prism.
- 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'.
