What is at the end of a rainbow?

You see me once in June, twice in November, and not at all in May. What am I?

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

They are three errirs in this question. Can you find them?

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

Solve the counting riddle by identifying the number of triangles in the given picture.

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Can you count the number of triangles in the picture below?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?