The digit in unit's place of the number (1570)2 + (1571)2...

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The digit in unit's place of the number (1570)² + (1571)² + (1572)² + (1573)² is :

A. 4

B. 1

C. 2

D. 3

Answer: Option A

Solution (By Examveda Team)

	(1570)²	+	(1571)²	+	(1572)²	+	(1573)²
unit digit →	↓		↓		↓		↓
	0²	+	1²	+	2²	+	3²
	↓		↓		↓		↓
	0	+	1	+	4	+	9 = 14

unit digit = 4

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