Manipur Board Class 12 Sociology Question Paper 2019 with Answer Key (March 18)

BSEM Questions

• 1.

  State and prove Basic Proportionality Theorem.

  View Solution

  ---

• 2.

  A metallic sphere of radius \(9\) cm is melted and recast to form a cylinder of radius \(3\) cm. Find the curved surface area of the cylinder.

  View Solution

  ---

• 3.

  Prove that the ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides.

  View Solution

  ---

• 4.

  The number of days within which the stock exchange is supposed to resolve dispute at their end is

  • 10
    
  • 15
    
  • 20
    
  • 30
    
  View Solution

  ---

• 5.

  Show that the square of an odd integer is of the form \( 8k + 1 \).

  View Solution

  ---

• 6.

  A vertical tower stands on a horizontal plane and is surmounted by a vertical flagstaff of height \(h\). At a point on the plane, the angle of elevation of the bottom of the flagstaff is \(\alpha\) and that of the top of the flagstaff is \(\beta\). Prove that the height of the tower is \(\dfrac{h\tan\alpha}{\tan\beta-\tan\alpha}\).

  View Solution