Time and Work (कार्य और समय ) Tricks in hindi || Important Questions for RRB NTPC 2019 || math Trick

33 thoughts on “Time and Work (कार्य और समय ) Tricks in hindi || Important Questions for RRB NTPC 2019 || math Trick

  1. Awsommmee sir g…
    Thnku lot
    Pressure kam ho gya math ka…math me main 0 hu…bt apka sb smjh lagne se pressure kam ho gya..god bless uhh sir g…sb smnjh me aa rha hai…meharbani ji apki …bhut bhut🙏🙏

  2. Hii teacher…Mai en sums Ko bht easy way se krti hoon…..jaise 1st sum ….20A=15B ……4A=3B….(.A+B)x=20A just find x. …

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