Tricks to solve questions on Simple Interest PRESENTED BY DHIRAJ SINGH CHAUHAN
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Question 7 A man invested 3900 in account of his 2 sons who are 14 and 16 years old in such a way that they will get equal amount at time of attaining age of 18 years. If rate of interest per annum is 10% then find amount deposited in account of his younger son. inaccunt of his 2 sons who are 14
14, y = 120 300
Question 8 Rs 400 will become 460 in 3 years at SI. If rate of interest is decreased by 3 % then what amount will we get?
60 D 100 3 year*
Question 9 An amount becomes 550 in 3 years and 650 in 4 years at S Find amount and Rate %.
La.Y pA = SSo_ 300-250 250