At present the population of a village is P and if rate of increase of population per year be r%, after n years the population will be:
(a) P (1 + \frac{r}{100})n
(b) P (1 + \frac{r}{100})n
(c) P (1 + \frac{r}{100})2n
(d) P (1 – \text{r}\over100)n
(a) P (1 + \text{r}\over100)n
More WBBSE Easy level questions
Fill in the blank: 2NH₃ + CO₂ → ______ + H₂O
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What is the S.I. unit of specific resistance or resistivity?
The total charge of how many electrons is equal to 1 coulomb? (a) 1.6 × 10¹⁹ (b) 6.25 × 10¹⁰ (c) 6.25 × 10¹⁸ (d) 6.023 × 10²³
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