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Friday, September 25, 2020

Parallel lines













 

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Geometry

 1. Parallel lines 

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Class 8 mathematics

 1. Geometry

2. Arithemetic

3. Algebra

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Mrs. shrestha sold a "palpali dhoka Topi' for Rs 858 and made a profit of 10 % . Find her buying price of the "dhaka topi". How much is her actual profit ?


 

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Class 4 Mathematics

 1. ALGEBRA

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Thursday, September 24, 2020

HARD AREA PROBLEM

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Friday, September 18, 2020

Solving another hard geometry problem

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Friday, September 11, 2020

4 methods to solve it

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Tuesday, September 1, 2020

WHICH METHOD IS EASY AND QUITE INTERESTING

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hard problem 27(Find the required angle)

  • Relation between Cartesian (or rectangular) components of stress
    Consider the motion of a small rectangular parallelepiped in viscous fluid with centre at P(x,y,z) and it’s edges of length d x, d y, ...
  • A uniform solid cylinder is placed with its axis horizontal on a plane, whose inclination to the horizon is α. Show that the least coefficient of the friction between it and the plane, so that it may roll and not slide, is 1/3 tanα. If the cylinder be hollow and of small thickness, the least value is 1/2 tanα.
    Solution: In this figure 1 ,  a uniform solid cylinder is placed horizontally on the plane BOCD Which makes an angle α with the hor...
  • A shopkeeper purchased an electric fan for Rs. 1560 and sold it at 5% profit. Find his actual profit and selling price of the fan.

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      • Parallel lines
      • Geometry
      • Class 8 mathematics
      • Mrs. shrestha sold a "palpali dhoka Topi' for Rs 8...
      • Class 4 Mathematics
      • HARD AREA PROBLEM
      • Solving another hard geometry problem
      • 4 methods to solve it
      • WHICH METHOD IS EASY AND QUITE INTERESTING
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