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62 Maths

C. Case Study Based Questions 4. I am a 5-digit palindrome. I am an odd number.
Palindromic numbers are numbers that read the same My ‘thousand place’ digit is the double of my
‘unit place’ digit. My hundred place’ digit is the
from left to right and from right to left. In other
words, they are “symmetrical” numbers. double of my ‘Ten thousand place’ digit. Who
am I? ...........

(a) 36663 (b) 50005
(c) 48884 (d) 54445

D. 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.

Answer the questions based of above information. (b) Both A and R are true but R is not the correct
1. Notice that the year 2002 is a palindrome. So, explanation of A.
what will be the next palindromic year? (c) A is true but R is false.
(a) 2020 (b) 2121 (d) A is false but R is true.

(c) 2112 (d) 2222 Q. 1. Assertion (A) : The sum of any two, 5-digit
2. Palindromic primes are numbers that are both numbers is always a 5-digit number.
palindromic and prime. Which of the following Reason (R) : The sum of 23876 and 34765
numbers is the greatest 3-digit palindromic is 58641.
prime?
(a) 999 (b) 969 (c) 939 (d) 929 Q. 2. Assertion (A) : The sum of any two even
numbers is always an even number.
3. Look at these numbers and find out whose Reason (R) : Even numbers have 0, 2, 4, 6, or 8
answer is a palindrome number? at their ones place.

(a) 939 ÷ 3 (b) 48 + 84
(c) 312 ÷ 2 (d) 34 × 43