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If your allowance is Re.1 and it is doubled every day, how many days would it take for you to have over Rs.35?1). 5 days2). 7 days3). 9 days4). 10 days |
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Answer» Given, if your allowance was a Re.1 and it is DOUBLED every day Thus, after (n + 1) DAYS, the allowance = 2n × 1 = 2n ⇒ 2n > 35 ⇒ 26 = 64 ⇒ n = 6 ∴ Number of days after which the allowance is over 35 = n +1 = 6 + 1 = 7 days |
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