Question
Ajay invested Rs.a in SI at 6% rate of interest per
annum for 9 years. Vishal invested the same amount in SI at 5% rate of interest per annum for 6 years and the difference between the interest obtained by Ajay and Vishal is Rs.1200. Find the amount invested by Vishal.Solution
According to question, => (a × 6 × 9)/100 – (a × 5 × 6)/100 = 1200 => 54a/100 – 30a/100 = 1200 => 24a/100 = 1200 => a = Rs.5000
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