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Rachna agrees to work at the rate of Rs. 1 on April 1, Rs. 2 on April 2, Rs. 4 on April 3 and so on. How much money will she get on April 20?

Rachna agrees to work at the rate of Rs. 1 on April 1, Rs. 2 on April 2, Rs. 4 on April 3 and so on. How much money will she get on April 20? Correct Answer Rs. 2<sup>19</sup>

Given: a = 1

r = 2

As per geometric progression,

tn = arn - 1

tn = 1.220 - 1

tn = 219

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