Question
A person 'P' invested Rs. 800 for
2 years at an interest rate of 'a'% per annum, Rs. 450 for 4 years at an interest rate of (a - 2)% per annum, and Rs. 1200 for 5 years at an interest rate of 5% per annum. The total simple interest earned was Rs. 604. Determine the value of 'a'.Solution
ATQ, 800 × 2 × a% + 450 × 4 × (a - 2)% + 1200 × 5 × 5% = 604 16a + 18a – 36 + 300 = 604 34a + 264 = 604 34a = 340 a = 10Â
More Simple and compound interest Questions
Under which conditions is the volume of a gas directly proportional to the number of molecules?
Repetition of sound produced by reflection of sound waves is called-
The Polymer used for Electrical insulation buttons is
Which substance is used to dissolve noble metals?
Copper is extracted from which ore?
What is the molecular formula of chloroform?
What are antibiotics?
Itai-Itai disease is caused by exposure to which metal?
Which one of the following is not a ‘Greenhouse Gas’?
Formation of Sodium Chloride is an example of
Relevant for Exams:
