Gibberellins were discovered by the Japanese scientist Eiichi Kurosawa in the year 1926. He was conducting research on a plant disease called bakanae (foolish seedling disease) in rice plants when he isolated a substance that was later identified as gibberellin.
A certain sum of money becomes 4500 in 6 years and Rs. 5500 in 10 years at any certain rate of simple interest. Find the principal amount.
The amount in a bank account after 3 years is ₹1350 when the interest is compounded annually at a rate of 10%. What was the principal amount?
A sum is lent on compound interest for 2 years at 14% p.a. If the compound interest on the sum is Rs.4194.4, find the sum.
Rs. ’P’ invested at a rate of 15% p.a. compound interest (compounded annually) amounts to Rs. 8464 at the end of 2 years. Find the simple interest e...
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?
An investment of Rs. 9,600 at an annual interest rate of 'R' percent for three years yields a simple interest of Rs. 5,760. Calculate the compound inter...
After how many years, Rs. 4400 will become 5324 at the rate of 10% p.a., compounded annually?
Calculate the principal amount 'x' for which the simple interest accrued over 5 years at an annual rate of 24% is equivalent to the compound interest ea...
Some amount out of Rs. 24000 was lent out at 10% per annum and the rest amount @ 16% per annum and thus in 5 years the total interest from both the amou...
What is the ratio of the simple interest earned on a certain amount at the rate of 21% per annum for 8 years to that earned on the same sum at the same ...
