A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

What word does this rebus represent?

meta meta
meta meta

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

What demands an answer, but asks no questions

In a school, 280 students studied chemistry, 254 students studied physics and 280 students studied biology.

97 students studied chemistry as well as physics, 138 students studied physics as well as biology and 152 students studied chemistry as well as biology.

73 students studied all the three branches.

Can you find out the total number of students?

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

Can you find the 09 errors in the picture below?

This is a simple one. You just have to count the number of Fs in the given sentence.

Finished Files are the result of years of scientific study combined with the experience of years.

How many did you count?

I’m orange, I wear a green hat and I sound like a parrot. What am I?