List of practice Questions

  1. Is it possible to have a regular polygon with measure of each exterior angle as \(22\degree\)? 
  2. Can it be an interior angle of a regular polygon? Why?
How many sides does a regular polygon have if each of its interior angles is \(165\degree\)?
How many sides does a regular polygon have if the measure of an exterior angle is \(24\degree\)?
Find the measure of each exterior angle of a regular polygon of 
  1. 9 sides 
  2. 15 sides
What do you think are the reasons for the extinction of languages?
Do you think it is important to preserve languages?
In what ways do you think we could help prevent the extinction of languages and dialects?
Given below are some interesting combinations of words. Explain why they have been used together.
(i) ghostly dust devils
(ii) desert sky
(iii) stunning artifacts
(iv) funerary treasures
(v) scientific detachment
(vi) dark - bellied clouds
(vii) casket grey
(viii) eternal brilliance
(ix) ritual resins
(x) virtual body
Here are some commonly used medical terms. Find out their meanings.
CT scan MRI tomography autopsy dialysis ECG post mortem angiography biopsy
What is a regular polygon? State the name of a regular polygon of 
  1. 3 sides 
  2. 4 sides 
  3. 6 sides
Given here are some figures.
Geometrical Shapes
Classify each of them on the basis of the following. 
  1. Simple curve 
  2. Simple closed curve 
  3. Polygon 
  4. Convex polygon 
  5. Concave polygon
Advanced technology gives us conclusive evidence of past events.
Simplify and solve the linear equation \(0.25(4f-3)=0.05(10f-9)\)
Simplify and solve the linear equation \(3(5z-7)-2(9z-11)=4(8z-13)-17\)
Have you heard any boatmen’s songs? What kind of emotions do these songs usually express?
‘Catamaran’ is a kind of a boat. Do you know which Indian language this word is derived from? Check the dictionary.
Solve the linear equation: \(\frac{x-5}{3}=\frac{x-3}{5}\)
Solve the linear equation: \(x+7-\frac{8x}{3}=\frac{17}{6}-\frac{5x}{2}\)
A= the domain off where $f(x) = \log \, x^2$ and $B$ = the domain of g where $g(x) = 2 \log \: x$, then $A-B =$
Why do you think the zygote is dormant for sometime in a fertilized ovule?
What subjects did Margie and Tommy learn?
Answer the question in few words or in couple of sentences.
Where was Margie’s school? Did she have any classmates?
Answer the question in few words or couple of sentences.
What do you think a telebook is?
Answer the question in few words or couple of sentences.
Had Margie ever seen a book before?
Answer the question in few words or in couple of sentences.
What things about the book did she find strange?
Answer the question in few words or in couple of sentences.