. A girl student answered three times wrong answers to the total of correctly answered question. If she had in all answered 24 questions, then tell the number of correctly answered questions? *
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Answer:
Let correctly answered questions be 'x'
Then the wrong answers will be '3x'
=> 3x+x = 24
=> 4x = 24
=> x = 24/4
=> x = 6
so, correctly answered questions is = x = 6
wrong answered questions is = 3x = 3×6 = 18
here 18 + 6 = 24
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