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

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?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

In the given picture, in how many ways can you read the word "Tiger"?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?