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Daily Questions Series : Lesson 5 (in Hindi)
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In this lesson, Devendra will discuss Some important Concepts and questions from Ratio and Proportion.

Devendra vmentor
Author of 3 books on Arithmetic, Advanced Maths & English Grammar. Cleared CSE (pre) / SSC-CGL / SBI PO / IBPS PO.

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Unacademy user
sorry the question was just about usage of fire. It wasn't mentioned which age was it...