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