Simple Interest - 02

05. A sum of Rs. 10 is lent to be returned in 11 monthly instalments of Rs. 1 each, interest being simple. The rate of interest is:

• 1
$9\frac{1}{11}$
%
• 210%
• 311%
• 4
$21\frac{9}{11}$
%

09. A man invested Rs. 5000 at some rate of simple interest and Rs. 4000 at 1 percent higher rate of interest. If the interest in both the cases after 4 years is same, the rate of interest in the former case is

• 14% p.a.
• 25% p.a.
• 3
$6\frac{1}{4}$
% p.a.
• 4
$8\frac{1}{3}$
% p.a.
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