What is always in front of you but can’t be seen?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

What is the next number in this matchsticks series riddle?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Who has married many women but was never married?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

who is silent in the parliament?

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?

Can you find the dog hidden in a group of pandas?