Choose correct answer(s) from given choice

1)Find the sum of smallest 3 digit number and largest 6 digit number.
 a. 1000097 b. 1000101 c. 1000099 d. 1000098
2)The smallest 5 digit number that can be formed by using digits 0, 4, 2, 6, 8 :
 a. 20486 b. 02468 c. 20468 d. 26804

Fill in the blanks

 3) The number 10 times smaller than ten crore is .
 4) There are zeroes in one crore .
5)Fill in the blanks (in number form) for following questions
 13531 more than four hundred twenty-one is 69616 more than is seventy thousand four hundred sixty-six ten thousand nine hundred seventy-one less than 20852 is less than twenty-one thousand three hundred sixty-five is 5415 less than 125301 is forty-nine thousand two hundred sixty-one
 6) 80305 more than 817391 is .
 7) In all, there are 90000 digit whole numbers in base-10 system.
 8) There are zeroes in ten thousand .
 9) The smallest 8 digit number is and the largest 8 digit number is .
10)Fill in the empty boxes
 3 + 5 2 5 6 1 2 7 4

 7 5 4 4 + 4 7 1 0 9 8 9

 6 2 5 2 3 4 + 0 0 9 1 0 7 4 5 8