1. ONE MARK QUESTION- A. Write the greatest number form by the digits 4,0 , 9 and 6. B. Write 90 in Roman numerals. C. Write the successor of 89. D. Write all the integers between -2 and 2. E. What is the measure of two rights angle? F. Find the LCM of 12 and 20. 2. TWO MARK QUESTION- A. Write 537193402 in word according to Indian system of numeration. B. Write all the factors of 24. C. Express as mixed fraction. D. What fraction of a day is 16 hour? E. Add: 12.5+1.25+0.125+125. F. Find the p...