Quantitative Aptitude – Arithemetic – Percentage – Meena scores 40% in an examination and after review
Slot -1 – Quantitative Aptitude – Arithemetic – Percentage – Meena scores 40% in an examination and after review
Meena scores 40% in an examination and after review – Video
Q. Meena scores 40% in an examination and after review, even though her score is
increased by 50%, she fails by 35 marks. If her post-review score is increased by 20%,
she will have 7 marks more than the passing score. The percentage score needed for
passing the examination is?
60
75
80
70
Answer: 70
Solution:
Let the total Maximum marks in exam = 100x
Meena’s score = 40% of 100x = 40x
Her marks after review = 40x+ 50% of 40x = 60x
Her marks after post review = 60x + 20% of 60x = 72x
As per question 72x – 7 = 60x+ 35
12x = 42
x = 42/12 = 7/2
so passing marks = 60x + 35 = 60*7/2 + 35 =245
total marks = 100x = 350
Required percentage score needed for passing the examination = 245/350 = 70%
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