If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Solve the equation in the image by looking at the pattern closely.

O_er_t_o_

Complete the missing letters of the given word.