02 A bucket of capacity 2000 mL is to be filled by using containers measuring 200 mL and 300 mL. Which one of the following combinations of containers is not correct for filling the bucket completely by the containers of 200 mL and 300 mL respectively? 1. 6, 3 2. 1, 6 3. 4, 4 4. 7, 2

10 The sum of 1-1+1-1+1-1 ..... to even number of terms is 1. 2 2. zero 3. -1 4. +1

15 Why are Roman numerals not commonly used in writing numbers like Hindu-Arabic numerals? 1. Children get confused with the English alphabet and Roman numerals 2. The Roman numerals do not employ place value, so calculations are different to perform using these numerals 3. Roman numerals are difficult to remember 4. The formation of numbers using Roman numerals is a complicated task