Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I cannot talk, but I always reply when spoken to. What am I?

Can you place three balls such that the equation shown in the picture holds true?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can you identify the hidden rebus in the image below?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?