In the image below, can you find the value of an angle(y)

Which tank will fill first?

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

Count the squares in the matchstick puzzle below?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

I can be cracked, made, told, and played. What am I?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

How many triangles are there on the puzzle below?

Can you count the number of triangles inside a triangle?