I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

John is the son of Jacob.
So,
Jacob is the_____of John's father?

Replace the question mark with the correct number in the below-given picture?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

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

2, 3, 5, 9, 17, _ What is the next number in the sequence?

I am white when I am dirty, and black when I am clean. What am I?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?