Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Count the number of triangles in the below picture?

What is the riddle which can be asked all day with a different correct answer each time.

What is next number in the pattern below:

131 517 192 123 ?

What is the word or phrase?

What does this rebus means ?

Can you find out the total number of triangles in the given figure?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?