Question 105

Which term of the following series is 17.25?
- 0.25, 0.25, 0.75, ...

Solution

This is an AP with a common difference of 0.5.Use the formulae of $$n^{th}\ term\ =\ a+\left(n-1\right)\cdot d$$.

$$-0.25+\left(n-1\right)\cdot0.5\ =\ 17.25$$

n will 36.


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