HOTS Mathematics Primary 6 Average

Ahmad scored an average of 72 marks in 4 tests. After taking a 5th test, his average dropped to 68 marks. What did Ahmad score in his 5th test?

A 52
B 16
C 20
D 4
Show Worked Solution

Worked Solution

Step 1: Find Ahmad's total marks for the first 4 tests. Total = 72 × 4 = 288 marks Step 2: Find Ahmad's new total after the 5th test. New total = 68 × 5 = 340 marks Step 3: Find the 5th test score. 340 − 288 = 52 marks

Correct answer: 52

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