An enterprising businessman earns an income of Re 1 on the first day of his business On every subseq...........

Logical Reasoning(Master ) Arithmetical Reasoning

An enterprising businessman earns an income of Re. 1 on the first day of his business. On every subsequent day, he earns an income which is just double of that made on the previous day. One the 10th day of business, his income is

Rs. 2⁹

Rs. 2¹⁰

Rs. 10

Rs. 10²

Rs. 10⁹

छोटे Courses बड़े Results

Master Arithmetical Reasoning

Prepare through Micro-courses

Try Now

Explanation:

Income on the first day = Re. 1.
Income on the 2nd day = Rs. (1x2) = Rs. 2¹.
Income on the 3rd day = Rs. (2¹ x 2) = Rs. 2² and so on.
Thus, Income on the rath day = Rs. 2^n-1.
Therefore Income on the 10th day = Rs. 2⁹.