The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

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

I have teeth but i don't bite. Who Am I ?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?