Under the revised NCERT curriculum, Class 9 History will focus on ancient civilisations, while chapters on the French ...
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New chapter on SIR in NCERT social science textbook; students will also learn about EVMs and alliances.
The National Council of Educational Research and Training (NCERT) has released a new social science textbook for Class 9.
Physicist Richard Feynman turned a lunch dilemma into a math problem. Researchers finally cracked his notes and found people approximate his solution on their own.
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