Q. 1. Show in ascending order 
Q. 2. A 8
3 B
2730 Find A & B
Q. 3. Find how many no from 1 to 100 are not divisible by 3 or 5 .
Q. 4. 8+88+ 888+88888+…….……….+ 88888……..8888(Last number has 20 digits)=Find the 100th place value.
Q. 5. 999,991 is a prime or not.
Q. 6. 
Find the value of *.
Q. 7. 1234567891011………..If you write serially from 1, what is the no of 2001th place.
Q. 8. 353, 2002 is a palindrome no. At least how much should we add with 31431 then this no is a palindrome no?
Q. 9. 3+6+9+………+90=?
Q. 10. Find the last two digit of 
Q. 11. Find the last digit of 
.
Q. 12. Find the remainder 
divided by 7.
Q. 13. 
? Find the unit digit of the sum.
Q. 14. 
Whether divisible by 6 or not .
Q. 15. 
is a divisible by 2 or not.
Q. 16. 
is divisible by 5 or not.
Q. 17. Find the sum of all the digits of the result of the subtraction 
(Ramanujam contest 2002).
Q. 18. Using three no of 5 write 1.
Q. 19. Using eight no write 1000
Q. 20. Using four no write 100.
