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

what one word does the below rebus identifies?

No matter how little or how much you use me, you change me every month. What am I?

Through your logical capabilities, can you make 7 an even?

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?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Remove two matchsticks to make the below equation correct.

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

Can you fill the blank with the correct number?

6 30 870 756030 _____