unable to install and start mongodb

sudo apt-get install mongodb [sudo] password for harsha: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies: mongodb : Depends: mongodb-server (>= 1:2.4.1-2) but it is not going to be installed mongodb-org : Depends: mongodb-org-server but it is not going to be installed Depends: mongodb-org-mongos but it is not going to be installed Depends: mongodb-org-tools but it is not going to be installed Conflicts: mongodb but 1:3.6.3-0ubuntu1.1 is to be installed mongodb-org-shell : Conflicts: mongodb but 1:3.6.3-0ubuntu1.1 is to be installed E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). harsha@DESKTOP-P5F1GV2:~$ mongodb -v

Command 'mongodb' not found, did you mean:

command 'mongod' from deb mongodb-server-core

Try: sudo apt install <deb name>

harsha@DESKTOP-P5F1GV2:~$ sudo service mongodb start

• Starting database mongodb [fail] harsha@DESKTOP-P5F1GV2:~$ mongodb -v

Command 'mongodb' not found, did you mean:

command 'mongod' from deb mongodb-server-core

Try: sudo apt install <deb name>

harsha@DESKTOP-P5F1GV2:~$

please help me