Question
Ajay invested Rs.a in SI at 7% rate of interest per
annum for 12 years. Vishal invested the same amount in SI at 5% rate of interest per annum for 8 years and the difference between the interest obtained by Ajay and Vishal is Rs.2200. Find the amount invested by Vishal.Solution
According to question, => (a × 7 × 12)/100 – (a × 5 × 8)/100 = 2200 => 84a/100 – 40a/100 = 2200 => 44a/100 = 2200 => a = Rs.5000
More Simple and compound interest Questions
5, 11, 19, 29, 41, ?
12    16    43    ?       184    220
...36, 49, 23, 62, ?, 75
15Â Â Â Â Â Â Â Â Â Â Â Â 13 Â Â Â Â Â Â Â Â 28 Â Â Â Â Â Â Â Â Â Â Â Â Â Â 24 Â Â Â Â Â Â Â Â Â Â Â Â Â Â 54 Â Â Â Â Â Â Â Â 52
...5184, ?, 432, 144, 36, 12
17Â Â Â Â Â ? Â Â Â Â Â 2142 Â Â Â Â Â Â 12852 Â Â Â Â Â Â 64260Â Â Â Â Â Â 257040
...53 ? 55 49 57 47
...17 ? 33 44 57 72
...24 25 46 ? 572 2885
...0.5 1.5 5 ? 76 385
...
