Trunk - Learn Four different meanings#shorts

[" The mean of four different observations is 17.5 When a new observation whose value 20 is added,what will be the new mean?

The smallest four digit number with four different digits is ..........

Trunk of elephant is formed by

Latent learning means

Self-directed learning' for gifted students means that they .........

Write a short note on different branches of physics .

The meaning of individual differences is