Numerical Reasoning Practice Test

Obeying Laws: Citizens must adhere to the laws of the country.<br> Paying Taxes: Citizens must pay their taxes to support the government and public services.<br> Defending the Nation: Citizens may be called upon to serve in the military to protect the nation.<br> Serving in Court: Citizens may be required to serve on a jury.<br> Voting: Citizens have the right and responsibility to participate in the democratic process by voting in elections.

To achieve an average of 88, the total for 7 subjects must be 88 × 7 = 616. The current total for 6 subjects is 88 + 90 + 97 + 90 + 91 + 86 = 542. Thus, the 7th subject must be 616 - 542 = 74. Thus, option b] &quot;74&quot; is correct. The other options do not match this requirement.

The correct answer is d] 15. Adding 15 to the list ensures the mean, median, and mode are all 15. Options a], b], and c] do not match this condition.

To find 10% of 80, multiply 0.10 by 80: 0.10 × 80 = 8. The other options do not match the correct result.