


CBSE /Class 8
Maths MCQ Based On Comparing quantities compound interest
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CBSE Class 8 Maths Comparing quantities compound interest
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Use the formula, to calculate interest for 1 year
A = \\(P ({1+ {R \\over 100}})^n\\)
Now use amount as principal and calculate for 6 months separately using the SI formulas.
Now add the interest to get the interest for 1 year and 6 months
Amount
In simple interest, the principal amount is always the same
The population of the town decreases by 10% every year. Thus, it has a new population every year. So the population for the next year is calculated on the current year population.
C.I = P\\(^{(1+\\frac{r}{100})n}\\) -P
Compound Interest
Interest
Depreciation means reduction or decrease. Use the compound interest formula for depreciation.
Compound Interest
C.I = P\\(^{(1+\\frac{r}{100})n}\\) -P

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