10. By selling 130 cassettes, a man gains an amount equal to the selling price of 5 cassettes.
Find the gnin per cent.
Answers
Answer:
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Development committee
Chairperson:
Prof. Amarendra Behera, Joint Director, Central Institute of Educational
Technology, NCERT, New Delhi
Members:
Dr. Indu Kumar, Associate Professor and Head, Department of ICT&
Training Division, Central Institute of Educational Technology, NCERT,
New Delhi
Dr. Mohd. Mamur Ali, Assistant Professor, Central Institute of
Educational Technology, NCERT, New Delhi
Dr. Rejaul Karim Barbhuiya , Assistant Professor, Department of
Education in Science and Mathematics, NCERT, New Delhi
D. Varada M.Nikalje, Associate Professor, Department of Elementary
Education, NCERT, New Delhi
Ms. Surbhi, Assistant Professor, Central Institute of Educational
Technology, NCERT, New Delhi
Mr. I L Narasimha Rao, Project Manager II, Center for Development of
Advanced Computing (CDAC), Hyderabad.
Ms. Sujata Mukherjee, Global Research and APAC Outreach Lead, Google
India Pvt Ltd, Hyderabad.
Capt. Vineet Kumar, Founder and President, Cyber Peace Foundation,
Ranchi, Jharkand
Ms. Chandni Agarwal, National ICT Awardee and Head, Department of
Computer Science, Maharaja Agrasen Model School, ,Delhi.
Ms. Vineeta Garg, Head, Department of Computer Science,Shaheed
Rajpal DAV Public School, Delhi.
Member Coordinator:
Dr. Angel Rathnabai, Assistant Professor, Central Institute of Educational
Technology, NCERT, New Delhi