Question
Download Solution PDF366 × 641 × 753 में इकाई का अंक क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है: 7
366 × 641 × 753
प्रयुक्त अवधारणा:
किसी संख्या के घात का इकाई अंक प्रत्येक चौथी बार स्वयं को दोहराता है।
गणना:
366 का इकाई अंक
⇒ 66/4
⇒ 2 (चूँकि 3 की चक्रीयता 4 है)
अत:, अंतिम अंक = 32
⇒ 9
और, 641 का इकाई अंक = 6
और, 753 का इकाई अंक
⇒ 53/4
⇒ 1 (चूँकि 7 की चक्रीयता 4 है)
अत:, अंतिम अंक = 71
⇒ 7
अब, दोनों का गुणा करें।
⇒ 9 × 6 × 7 = 378
∴ इकाई का अंक 8 है।
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