C C++ Java Data Structure Python JavaScript CSS Ajax PL/SQL PHP Puzzles C programs C++ programs Java programs

Home » Puzzles

Submitted by Amit Shukla, on August 10, 2017

Puzzle

Roshan have a favorite number and he give some information regarding his number. The information is that the sum of square of the digits constituting a positive two- digit number is 13. If we subtract 9 from that number, we shall get the number written by the same digit in reverse order. Now you have to find Roshanâ€™s favorite number.

Important points of puzzle:

Answer

32.

Reason

For sum of square of digits to be 13, it is obvious that the digits should be 2 and 3. So the number can be only 23 or 32. Further, the number being referred to 32 since the reduction of 9 reverse the digit. Hence the required number is 32.

Liked this article? Do share with your friends :)

C, C++, Java, D.S., Python, .Net, SQL, PL/SQL, Ajax, PHP, JavaScript, CSS, HTML, C programs, C++ programs, Java programs, C# programs, DS programs, C aptitude, C++ aptitude, Java aptitude, DBMS aptitude, O.S., Networking, Embedded systems, Nanotechnologies, Linux, DOS, puzzles, syntaxes,