Multiple choice

In the following number series, two numbers are placed inside the brackets. Study the series carefully and select the correct option in relation to the series. $11, 101, 1001, (10001), 100001, (10000001)$

  1. The first bracket number (from left) is incorrect and the second is correct.

  2. The first bracket number (from left) is correct and the second is false.

  3. Both parentheses are correct numbers.

  4. Both parentheses are incorrect numbers.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is 11, 101, 1001, 10001, 100001, 1000001 (increasing zeros). The first bracket has 10001 (should be 10001 with 4 zeros), which is correct. The second bracket has 10000001 (should be 1000001 with 6 zeros), which is incorrect.