14
a. 12
b.
In how many years will a sum of money becomes doubles at 10% per annum simple interest?
c.
d.
10 years
20 years
15 years
b.
5 years
a.
Two successive discounts of 20% and 15% is equivalent to a single discount of
32
d. 36
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Answer:
ik9oy8wk442729022288999976⁵⁴3³22111⅛
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