What does this simple rebus mean?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Why is the longest human nose just 11 inches?

What is next number in the pattern below:

131 517 192 123 ?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

Fate has decided that you will only be pleased to meet me when you need me

Maybe that is why, when I am working, I start working

However annoying I may be to the regulars, the little ones are always inspired

I will always be waiting if you try to reach me

How many of you can guess my name, let me see

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"