Ajay got 80% marks in physics and 75% in chemistry in the CBSE board exams. The maximum marks in Physics and Chemistry was 70. He scored 90% in Maths where the maximum marks were 100. Find out his net percentage in PCM.
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Answer:
82.7%
Step-by-step explanation:
marks in physics = 80% × 70 = 80×70/100 = 56
marks in chemistry = 75% × 70 = 75×70/100 = 52.5
marks in maths = 90% × 100 = 90×100/100 = 90
net percentage in PCM = (56+52.5+90)×100/(70+70+100) = 198.5×100/240 = 82.7%
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