21 × | growing up as boys and girls | 21 × | environment | 19 × | semiconductor electronics | ||
21 × | on equality | 21 × | maths | 19 × | constitutional design | ||
21 × | mechanical properties of solids | 20 × | sound waves | 19 × | controlling | ||
21 × | cbse. | 20 × | markets around us | 19 × | factorisation | ||
21 × | physical features of india | 20 × | staffing | 19 × | mole concept | ||
21 × | business environment | 20 × | biotechnology principles and processes | 18 × | electrons and photons | ||
21 × | direct and inverse proportion | 20 × | minerals and energy resources | 18 × | understanding media | ||
21 × | stars and the solar system | 20 × | binomial theorem | 18 × | algebraic expressions | ||
21 × | planning | 19 × | introduction of physics | 18 × | electromagnetic induction | ||
21 × | federalism | 19 × | how the state government works | 18 × | organisms and populations |