Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Find the next number in the series below.

6 18 270 72090 ?

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

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

By what process could you make a 'Tea-Table' into food?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Can you find out the missing number in the grid?