0 votes
in Mathematics by (43.7k points)
closed by

Let a and b be natural numbers such that 2a - b, a - 2b, and a + b are all distinct squares, the least possible value of b is 

(a) 21 

(b) 22 

(c) 24 

(d) 25

1 Answer

+1 vote
by (43.4k points)
selected by
Best answer

Correct option is (a) 21

We have,

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.