I’m tall when I’m young, and I’m short when I’m old. What am I?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

The answer I give is yes, but what I mean is no. What was the question?

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Can you decipher the two rows to find the hidden word?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

What four weights can be used to balance from 1 to 30 pounds?