Out of four numbers the average of the first three is 16 and that of the last three is 15. If the last number is 20 then the first number is
5 512 6290a8f43f7a1029b95a8e3d
Q:
Out of four numbers the average of the first three is 16 and that of the last three is 15. If the last number is 20 then the first number is
- 128false
- 221false
- 323true
- 425false
- Show Answer
- Workspace
- Discuss