A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

What building has the most stories?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

A man has to get a fox, a chicken, and a sack of corn across a river.

He has a rowboat, and it can only carry him and one other thing.
If the fox and the chicken are left together, the fox will eat the chicken.
If the chicken and the corn are left together, the chicken will eat the corn.

How does the man do it?

What has one letter and starts with an E?

The cream is heavier than Milk. True or False?

Find the next number in the sequence

1, 2, 6, 21, 88, __?