Remove two matchsticks to make the below equation correct.

You know three triplets: Frank John and Wayne (need to return your money). Frank always tells the truth while John and Wayne always lie. You meet one of them on the road and can ask him a three-word question.
Which question, will you ask?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Different lights make me strange by changing me into different sizes. What am I?

What begins with T, ends with T, and has T in it?

What has one letter and starts with an E?

Which English verb becomes past tense just by rearranging the letters?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?