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Questions 13-17 : (in Hindi)
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In this lesson, Devendra will discuss important questions from Ratio and Proportion topic.

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

Unacademy user
Rare Earth Mineral and it's uses? Uses of Rare Earth Elements. Rare earth metals and alloys that contain them are used in many devices that people use every day such as computer memory, DVDs, rechargeable batteries, cell phones, catalytic converters, magnets, fluorescent lighting and much more.
languages issue plz provide questions in English
sir please provide question in english
बहुत ही अच्छी क्लास थी सर थैंक्स सर
Devendra vmentor
2 years ago
Welcome Dear
किताब का नाम कैसे पता चले
book ke prise ky ha sir
  1. Crash Course on Quantitative Aptitude For Railway, Loco Pilot, Group D CO -Presented by Devendra (VMentor)

  2. About Me B. Tech + M. Tech (IIT Bombay) 2yearteaching experience (Quant + Reasoning) g) Cleared SCC CGL, SBI PO, I BPS PO, AFCAT Love YouTube, Music, Sports, Teaching so Published 3 Books (Arithmetic, Advance Maths, English Grammar) so Follow @:- Rate, Review and Recommend s Share

  3. A: B 3:2.x2- 6//.4 2

  4. A X 65000-30,0001. 13 1o 13 5Q000 13 13

  5. 2 40

  6. 15,2= 2160 2. 3 x12: 5 x12 3660

  7. 3 X13,4x13, 5x13 39,5

  8. Please do share this lesson. Rate, review and recommend. 80) Thanks for watching!