there r no activites ...for this lesson plzz...add some.... Share with your friends Share 0 Savitri Bisht answered this मित्र हम प्रयास कर रहे हैं। शीघ्र ही इस विषय पर आपको टेस्ट उपलब्ध करवाएँ जाएगें। 0 View Full Answer Suchita Rajoria answered this i agree u preksha experts should add some activities for other subject else for science & maths 1