1. The marked price of an article for sale is 20% of its cost price. How much percent does the dealer gain by allowing a discount of 15%?

Railway Recruitment Board exams requires a strong foundation in Mathematics. Both RRB Group D and RRB NTPC exams test candidates on topics like Arithmetic, Algebra, Mensuration, and Trigonometry.

RRB NTPC Undergraduate Answer Key 2025: The provisional answer key for RRB NTPC UG Answer Key 2025 was declared by the Railway Recruitment Boards on September 15, Monday. Candidates are encouraged to ...

In this article, we are going to share the important memory based General Intelligence & Mathematics section Questions as per the feedback received by the candidates who have appeared for RRB NTPC ...