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23. A student was awarded certain marks in anexamination. However, after re-evaluation, hismarks were reduced by 40% of the marks that wereoriginally awarded to him so that the new score nowbecame 96. How many marks did the student loseafter re-evaluation?a) 58b) 68 c) 63d) 56e) 64 |
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Answer» Answer: E is the answer Step-by-step explanation: LET the initial marks be x Given he loses 40% implies x-40÷100(x)=his new score Given his new score is 96, using it in above equation x-40÷100(x)=96 x-0.4x=96 0.6x=96 X=160 Therefore his ORIGINAL score was 160 Marks LOST =original score - new score Implies 160-96=64 |
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