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A car has a four-digit number such that none of its digits is 0. If you remove the second or the fourth digit, the resultant three-digit number is a perfect square. If you remove the first digit, the resultant three-digit number is a palindrome. No digit in the number is repeated more than twice. What is the remainder left when the square of the car number is divided by 5?
This question appeared in the HPSC Prelims 2021 examination (CSAT). It is Question 8 out of 198 questions in this paper.
This question was part of the HPSC Prelims 2021 (CSAT). The HPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all HPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.