I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

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?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What word is pronounced the same if you take away four of its five letters?

What does below Rebus mean ?

esgg sgeg gegs gsge

During which month do people sleep the least?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Count the number of times the letter "F" appears in the following paragraph:

FAY FRIED FIFTY POUNDS OF
SALTED FISH AND THREE POUNDS
OF DRY FENNEL FOR DINNER FOR
FORTY MEMBERS OF HER FATHER'S FAMILY.

Before Mount Everest was discovered, what was the highest mountain in the world?