Hi aspirants

yes you can write since the eligibility is Passed 12th or equivalent exam from a recognised board with 50% marks and  Graduate or equivalent degree from a recognized University .

Since the eligibility is 50% and you got 55% you are eligible for to write railways exam, SBI and IBPS Po exam, IBPS clerk exam.

for more information click the link

https://competition.careers360.com/articles/rrb-ntpc-eligibility-criteria

https://competition.careers360.com/articles/ibps-po

https://competition.careers360.com/articles/ibps-clerk

Hope this helps

good luck!