1. Number System Exercise 1A Question 1 Write the number between 3456 and 3466. Answer : The numbers between 3456 and 3466 are 3457 , 3458 , 3459 , 3460 , 3461 , 3462 , 3463 , 3464 , 3465 , and 3466 . Question 2 Write the numeral for each of the following numbers: Nine thousand eighteen Fifty-four thousand seventy-three Three lakh two thousand five hundred six Twenty lakh ten thousand eight Six crore five lakh fifty-seven Two crore two lakh two thousand two hundred two Twelve crore twelve lakh twelve thousand twelve Fifteen crore fifty lakh twenty thousand sixty-eight Answer : Here are the numerals for each of the given numbers: Nine thousand eighteen : 9018 Fifty-four thousand seventy-three : 54073 Three lakh two thousand five hundred six : 302506 Twenty lakh ten thousand eight : 201008 Six crore five lakh fifty-seven : 650057 Two crore two lakh two thousand two hundred two : 2202202 ...