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.

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

What makes this number unique: 8,549,176,320?

Which alphabet is a part of our body?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Find the missing number in the image below.

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

Find the next number in the series below

21 32 54 87 131 ?