A student scored 30% marks and failed by 45 marks. Another student scored 42% marks and scored 45 marks more than the passing marks. Find the passing marks.

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A student scored 30% marks and failed by 45 marks. Another student scored 42% marks and scored 45 marks more than the passing marks. Find the passing marks.

A270

B240

C280

D250

Answer:

A. 270

Read Explanation:

( 30/100) x T + 45= (42/100) x T -45 (12/100)xT=90 T=750 (750x30/100)+45=270

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