Question
What is quantum yield in relation to the growth of
plants?Solution
Quantum yield is the number of light quanta needed to evolve 1 mole of oxygen gas.
A person borrowed Rs. 50,000 at a rate of 12% per annum for one year. He then lent it out as two separate loans to D and E. He lent Rs. 20,000 to D at 2...
Rs. 4500 is invested in scheme ‘A’ for a year at simple interest of 40% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
A sum of Rs. 15,000 is invested in SIP 'J' which offers 6% p.a. simple interest for 8 years. The interest received from SIP 'J' is invested in SIP 'K' w...
- Sohan invested Rs. 11,600 at a simple interest rate of 7.5% per annum for 3.5 years. What will be the total amount he receives after the period?
Find the total amount returned by Manish to the bank at the end of three years, when Rs.24000 is borrowed at the rate of (25/2)% compounded annually?(ca...
A man invested a certain amount of sum at 12.5% per annum simple interest and earned an interest of Rs.2700 after 3 years. If the same amount is investe...
Anjali invested Rs.24000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from ...
Ankur invests Rs. 9,250 at 8% p.a. for 3 years on simple interest. The amount he gets back is Rs. '2k'. Find the product of digits of 'k'.
- Calculate the compound interest earned on Rs. 18,000 when it is invested at 10% per annum, compounded semi-annually for 1 year.
A sum of 74000 is divided into two parts such that the simple interest on the first part for 3 years at 15% per annum is equal to the simple interest on...
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