An enterprising businessman earns an income of ₹ 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. On the 10 t h day of business, his income is:

Question

An enterprising businessman earns an income of &#8377; 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. On the 10 t h day of business, his income is:

Quantrex Academy · Accepted Answer

Correct answer: A. &#8377; 2 9

Given, income on the first day = &#160; &#8377; 1 Again, income on the second day = &#160; &#8377; &#160; 1 &#160; &#215; &#160; 2 &#160; = &#160; &#8377; &#160; 2 1 Now, income on the third day = &#160; &#8377; &#160; 2 &#160; &#215; &#160; &#8377; &#160; 2 1 = &#160; &#8377; &#160; 2 2 &#160; &#160; and so on. Therefore, income on the n th day = &#160; &#8377; &#160; 2 n &#8722; 1 So, income on the 10 th day = &#8377; 2 10 - 1 &#160; = &#160; &#8377; 2 9 &#160; &#160; &#160; Hence, &#8377; 2 9 is the correct answ

An enterprising businessman earns an income of ₹ 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. On the 10 t h day of business, his income is:

Options

Correct answer

Step-by-step solution

More from Arithmetic Reasoning

An enterprising businessman earns an income of &#8377; 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. On the 10 t h day of business, his income is:

Options

Correct answer

Step-by-step solution

More from Arithmetic Reasoning

An enterprising businessman earns an income of ₹ 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. On the 10 t h day of business, his income is: