Page 14 - Mathematics Class - X

Assertion-Reason Based Questions
Assertion-Reason Based Questions
Directions for Questions 1 to 2: In each of the questions given below, there are two statements marked as
Assertion (A) and Reason (R). Mark your answer as per the codes provided below:
(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false. (d) A is false but R is true.
Q. 1. Assertion (A) : 0 is not a rational number.
P
Reason (R) : A rational number is a type of number, which is in the form of where p and
q
q both are integers and q is not equal to zero.
Q. 2. Assertion (A) : The sum of two rational numbers is always rational.
a c  a c 
Reason (R) : If and both are rational numbers, then their sum + can be written
b d   b d  

as  ad + bc  which is also a rational number.

 bd 


Crossword Puzzles
Crossword Puzzles
Complete the following crossword puzzles with the help of given hints.
1.

Down
2.
3. 4. 1. Every rational number is ___________ number.
2. ___________ rational numbers are there in between

5. 7 and 9.
6. 4. 0.789 is a ___________ decimal.
Across

3. π is an ___________ number.

5. Zero is a ___________ number.

6. The ___________ of two rational numbers is
always rational.

Answers

Case-Study Based Questions: 1. 26250 2. 42000 3. 28000 4. second day
Assertion-Reason Based Questions: 1. (d) 2. (a)

Crossword: Down: 1. real 2. infinite 4. terminating
Across: 3. Irrational 5. Rational 6. Sum

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