List of top Questions asked in CBSE Class X

In Fig. 10.13, XY and X'Y' are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting XY at A and X'Y' at B. Prove that ∠AOB = 90°.
XY and X'Y' are two parallel tangents to a circle with centre O
Fig. 10.13
Who does Lencho think has taken the rest of the money? What is the irony in the situation? (Remember that the irony of a situation is an unexpected aspect of it. An ironic situation is strange or amusing because it is the opposite of what is expected.)
A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the object placed from the lens? Draw the ray diagram.
Why are books referred to as a man’s best companion? Which is your favourite book and why? Write a paragraph about that book.
Do you think books are being replaced by the electronic media? Can we do away with books altogether?
If you were in Noodle’s place, how would you handle Think-Tank’s mistakes?
Noodle avoids offending Think-Tank but at the same time he corrects his mistakes. How does he manage to do that?
What guesses are made by Think–Tank about the books found on earth?
Who tried to invade the earth in the twenty-first century?
Why was the twentieth century called the ‘Era of the Book’?
Bholi’s real name is Sulekha. We are told this right at the beginning. But only in the last but one paragraph of the story is Bholi called Sulekha again. Why do you think she is called Sulekha at that point in the story?
Why did Bholi at first agree to an unequal match? Why did she later reject the marriage? What does this tell us about her?
How did Bholi’s teacher play an important role in changing the course of her life?
Bholi had many apprehensions about going to school. What made her feel that she was going to a better place than her home?
Why does the marriage not take place?
Why do Bholi’s parents accept Bishamber’s marriage proposal?
Does she find her teacher different from the people at home?
Does Bholi enjoy her first day at school?
For what unusual reasons is Bholi sent to school?
Why is Bholi’s father worried about her?
Do you think Horace Danby was unfairly punished, or that he deserved what he got?
Horace Danby was a meticulous planner but still he faltered. Where did he go wrong and why?
“Horace Danby was good and respectable — but not completely honest”. Why do you think this description is apt for Horace? Why can’t he be categorised as a typical thief?
What are the subtle ways in which the lady manages to deceive Horace Danby into thinking she is the lady of the house? Why doesn’t Horace suspect that something is wrong?
Did you begin to suspect, before the end of the story, that the lady was not the person Horace Danby took her to be? If so, at what point did you realise this, and how?