MCQOPTIONS
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MCQOPTIONS
| 1. |
Find the nth term of the following sequence :5 + 55 + 555 + . . . . Tn |
| A. | (10n - 1) |
| B. | n(10n - 1) |
| C. | $\frac{5}{9} \times \left( {{{10}^n} - 1} \right)$$ |
| D. | ${\left( {\frac{5}{9}} \right)^n} \times \left( {{{10}^n} - 1} \right)$$ |
| Answer» D. ${\left( {\frac{5}{9}} \right)^n} \times \left( {{{10}^n} - 1} \right)$$ | |