In an examination A got 25% marks more then B, B got 10% less than C and C got 25%
more that D, if D got 320 marks out of 500, the marks obtained by A were
1) 450 2) 405 3) 360 4) 400
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Answer:
450
C' s marks = 320+ 25% of 320
= 320+80
= 400
B' s marks = 400- 10% of 400
= 400-40
= 360
A' s marks = 360 + 25% of 360
= 360+ 90
= 450
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