Exams › SSC CGL (Prelims) › General
A student took 7 tests and had an average of 72. If his average after 8 tests increased to 73, what was his score on the 8th test?
- 79
- 78
- 80
- 81
Correct answer: 80
Solution
The total for 7 tests is 7 × 72 = 504. The total for 8 tests is 8 × 73 = 584. So the 8th test score is 584 - 504 = 80.
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