You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

What is the relationship between these matchstick pictures below?

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?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Count the Triangle in the figure given below:

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

I have branches, but no fruit, trunk or leaves. What am I?