Important mathematical relations of measurement. These are very important mathematical relations. It must be on the tongue of a student . These common relations are seen very frequently in the sum . | Mass 1 Ton = 10 Quintals 1 Quintal = 100 Kg 1 Kg = 1000 g 1 pound = 453 g Distance

Important Squares and their square root. THE STUDENT MUST MEMORISE THIS BY TONGUE. 42 = 16 112 = 121 52 = 25 √(25)=5 62 = 36 √(36)= 6 72 = 49 √(49 ) = 7 82 = 64 √(64)= 8 92 = 81 √(81)= 9 102 = 100 √(100) = 10 112 = 121 √(121)