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

Identify the 10 differences between the two given pictures.

I throw two dice simultaneously.

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

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

10+10 and 11+11 can give you the same answer.

Explain how?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What do you answer even though it never asks you questions?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?