I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

What does this rebus mean?

O
N
C
E
TIME

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

What does this rebus means ?

PROG WORKRESS

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

A family is trapped in a jungle. There is a bridge which can lead them to safety. But at one time, the bridge can only allow two people to pass through. Also, all of them are afraid of the dark and thus, they can't go alone.

Father takes 1 minute to cross, the mother takes 2 minutes, the son takes 4 and the daughter takes 5 minutes. While crossing the time taken will be according to the slower one. How can they all reach the other side in the minimum possible time?

What goes up but never comes down?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What is harder to catch the faster you run?