Advertisements
Advertisements
Question
13 and 31 is a strange pair of numbers such that their squares 169 and 961 are also mirror images of each other. Find two more such pairs.
Advertisements
Solution
(13)2 = 169 and (31)2 = 961
Similarly, two such number can be 12 and 21
∴ (12)2 = 144 and (21)2 = 441
And 102, 201
(102)2 = 102 × 102 = 10404
And (201)2 = 201 × 201 = 40401
102
× 102
204
1020
10404
201
× 201
201
4020
40401
RELATED QUESTIONS
Show that each of the following numbers is a perfect square. Also, find the number whose square is the given number in each case:
4761
Which of the following numbers are perfect square?
79
Which of the following numbers are perfect square?
81
Using prime factorization method, find which of the following numbers are perfect square?
343
Find the smallest number by which 28812 must be divided so that the quotient becomes a perfect square.
The following number are not perfect squares. Give reason.
1547
The following number is not perfect square. Give reason.
333333
Show that the following number is not perfect square:
22453
Which of following number is square number ______________
The square root of 24025 will have ______ digits.
