By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Can you place three balls such that the equation shown in the picture holds true?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

What does below Rebus say?

XLR8

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Count the number of triangles in the below picture?

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?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

What does this rebus means ?