Multiple choice

The average of marks of Yash in seven tests is 40. If the sum of the marks in the first six tests is 242, then how many marks does Yash obtain in his seventh test?

  1. 58 marks

  2. 28 marks

  3. 38 marks

  4. 78 marks

  5. 48 marks

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C Correct answer
Explanation

Sum of 7 tests = 7 * 40 = 280. Sum of first 6 = 242. Seventh test = 280 - 242 = 38.

AI explanation

The total marks for seven tests equals 7 times 40, which is 280. The seventh test marks equal the total minus the sum of the first six tests, giving 280 minus 242, which is 38.