Question
In a two-stroke engine commonly used in portable
agricultural tools, how is the scavenging of exhaust gases achieved?Solution
In a two-stroke engine, scavenging is carried out using the fresh charge which enters via the transfer port. It pushes the exhaust gases out of the cylinder through the exhaust port, thus eliminating the need for separate exhaust valves.
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?
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