Question
In how many years will ₹7,500 double at 8% simple
interest ?Solution
ATQ, To double an amount using simple interest, use the formula: 
Given rate R=8:
It will take 12.5 years for ₹7,500 to double at 8% simple interest.
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325, 292, 262, 229, ?, 166
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3, 9, 15, 21, ?, 33 - What will come in place of (?), in the given number series.
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