Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Can you replace the question mark with the correct number?

What am I?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

If an electric train is travelling south, then which way is the smoke going?

Find the missing letter in the last circle logically in the given below picture.

What number do you get when you multiply all of the numbers on a telephone's number pad?

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

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes