UP TGT Mathematics Commercial Mathematics Test Series - Part 3
The ratio of the difference between CI and SI for 3 years to that for 2 years on a sum of money at the same rate of inte...
Type: MCQ • Marks: 1
The ratio of the difference between CI and SI for 3 years to that for 2 years on a sum of money at the same rate of interest is 19 : 6. Find the rate of interest p.a.
Options
A. 1) 16.67%
B. 2) 20.0%
C. 3) 15.0%
D. 4) 12.5%
Explanation
Ratio (Diff_3 / Diff_2) = (3 + R/100) = 19 / 6 => 3 + r = 3.1667 => r = 1/6.
Rate R = (1/6) * 100 = 16.67% p.a.
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