InterviewBit Problems   Prime Sum : Unsolved

About the Prime Sum : Unsolved category (1)
Getting runtime error , please help find error (3)
C++ solution says Memoty Limit Exceeded on submission (6)
Getting memory limit exceeded error (1)
Functions in Python 3 (3)
What is wrong in this code java (1)
PLease Help me in optimising the code (5)
Can anyone help me in finding why this code is giving memory limit exceded (1)
How do i optimize it? (1)
Bad problem with many issues (1)
Easy Solution but judge complexity (1)
Getting runtime error , please help me find error (2)
Solution using Sieve of Eratosthenes (1)
How do I optimize it more? (2)
Ignore hint. (python ) (1)
Editorial solution done (1)
Seems there is an error (4)
Using simple sieve (1)
Can someone find the bug in the code (2)
Is more optimization possile? (1)
C++ solution | Simple Solution (3)
Solution with bool Sieve of Eratosthenes (1)
Use boolean Array for Sieve (3)
How can i optimize it more (1)
Code nation hiring (1)
Ambiguilty with the Answer for 10 (4)
Can some one tell why is it not working (1)
This is what you need to see if you can’t solve this question (1)
My Cpp approach with correct solution (1)
Solution of this question in Python 3 (1)