During which month do people sleep the least?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

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

If an electric train is travelling south, then which way is the smoke going?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

It is an eleven letter word.
The first, second, third and fourth letters form a banquet's name.
The fifth, sixth and seventh letters form a car's name.
The eighth, ninth, tenth and eleventh letters form a mode of transport.

Can you identify what word it is?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

If you can spot the hidden clock quickly, you are often those with high IQs and exceptionally keen observation skills. You excel in noticing the finest details that others might miss and can process visual information at lightning speed.

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?