If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

Can you find the company name in the pictogram below?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Who is that with a neck and no head, two arms and no hands? What is it?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?