I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

what does the below math rebus puzzle mean?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

Find the next number in the series below

21 32 54 87 131 ?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

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

Count the squares in the matchstick puzzle below?