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

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

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?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

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

What begins with T, ends with T, and has T in it?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Replace the question mark with the correct number.

2 + 2= 4
3 + 3= 18
4 + 4= 48
5 + 5= ?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?