There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

If six children and two dogs were under an umbrella, how come none of them got wet?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?