BlackNgreen

BlackNGreen is the pioneer of several telecom technologies and products with our solutions empowering over 100+ telecom giants. The BNG suite of product/solution is the result of continuous and insightful innovation by some of the brightest minds in the country. With several patent submissions and a wide range of accolades, we have been engineering products that have created quantum shifts in the telecom landscape across the world.

Interview Questions

Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.

Problem Title

Exp

Difficulty

Avg. time

Attempted

Upvotes

Reverse Linked List

Moderate

15 mins

93.4k

787

Reverse Words In A String

Easy

10 mins

84.1k

626

Page of 1

Interview Experiences

Gain the Edge You Need at your next technical interview with Coding Ninjas.s unlimited interview problems practices for BlackNgreen

Upvote

BlackNgreen | Backend Developer | Fresher | Aug 2021

Shivangi Katiyar

|Level 4

Off Campus

Indian Institute of Infor...

Published on 28 Oct 2021

Upvote

BlackNgreen | Fullstack Developer | Experienced | Aug 2025

Published on 2 Sep 2025

Page of 1

Guided Paths

Here is your ultimate guide for cracking your dream job interview, you can choose your tracks and start preparing for BlackNgreen

Data structures & algorithms (Beginner to Intermediate)

If you are a complete beginner to data structures / want quick content to revise and practise questions for placements, this is the guided path for you . This guided path covers the absolute basics introducing every data structure, its need and then checks your understanding with relevant coding questions and mcqs to solve, so that you can have an all round understanding of the concepts studied.