How many words can a pen with half refill write?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

What is common among 11, 69, and 88?

Can you count the number of lines in the below picture?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Spot what is wrong here in below Picture?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

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

How can you tell a raw egg from a hard-boiled egg?