What has 13 hearts but no other organs?

A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

What's a single-digit number with no value?

Out of four images which one is the odd one out?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Dwayne Johnson was running away with the loot from a heist in his car along with Vin Diesel. One tire was punctured and he dropped down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Vin Diesel gave him an idea using which they were able to drive till the rendezvous point.

What was the idea ?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Which Travels Faster? Solve below famous picture riddle: