In an examination A got 25 marks more than B B got 10 less than C and C got 25 more than D If D got ...........

Quant (SSC) Percentage

In an examination A got 25% marks more than B, B got 10% less than C and C got 25% more than D. If D got 320 marks out of 500, the marks obtained by A were

405

450

360

400

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Explanation:

Given that D's marks = 320
C got 25% marks more than D.
∴ Marks obtained by C = 320 + 25% of 320
= 320 + 80 = 400
B got 10% marks less than C.
∴ Marks obtained by B = 400 – 10% of 400
= 400 – 40 = 360
A got 25% marks more than B.
∴ Marks obtained by A = 360 + 25% of 360
= 360 + 90 = 450