Permutations and combinations important example

Hello sir i am a student from vijyapur disttict of karntaka and iam studying in 1st puc (11 class) i have a doubt about graphs of trignometric function can u please elaberate and tell me about that

• What is gst
  

Factor theorem in determinant

In an AP 3,7............403,407 find 20th from the last

In an AP 3,7............403,407 find 20th from the last

In an AP 3,7............403,407 find 20th from the last

Two triangle having the same base and equal area lie between same parallels are congruent

please all questions answer. 

Total surface area of a cone is 616 sq.cm . If the slant height of the cone is three times the radius of the base , find its slant height.

its different?

A matchbox measures 4cm×2.5cm×1.5cm. What will be the volume of a packet containing 12 such boxes?

Find the distance of a point (3,-5)from the line 3x-4y-5=0.