Show that each of the following is meaningless. Give reason in each case. (i) VC (ii) IL (iii) VVII (iv) IXX

Show that each of the following is meaningless. Give reason in each case. (i) XXXX (ii) VX (iii) IC (iv) XVV

Find the measure of angle ‘a’ in each figure. Give reason in each case .

Find the measure of angle ‘a’ in each figure. Give reason in each case .

Find the measure of angle ‘a’ in each figure. Give reason in each case .

Find the measure of angle ‘a’ in each figure. Give reason in each case .

Which of the following are meaningless? (i) "I I ICCC" (ii) KKKCCXI (iii) XD (iv) VC

Identify a rationallising factor for each one of the following surds and verify the same in each case: (i) sqrt18 (ii) 5sqrt12 (iii) root3(49) (iv) 1/sqrt8

Which of the following are meaningless? "I I I"CCC" (ii) KKKCCXI (iii) XD (iv) VC

Which of the following are meaningless: (i)VX(ii)IC(iii)IXX (iv) VVIII

Classify the following as pure substances or mixtures, give reasons. (i) Graphite (ii) Milk (iii) Air (iv) Diamond