Question
Download Solution PDFFind the unit digit in the product (621 × 735 × 4297 × 5313).
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Numbers: 621, 735, 4297, 5313
Formula Used:
Unit digit of a product = Unit digit of the product of unit digits of individual numbers
Calculations:
Unit digit of 621 = 1
Unit digit of 735 = 5
Unit digit of 4297 = 7
Unit digit of 5313 = 3
Unit digit of the product = Unit digit of (1 × 5 × 7 × 3)
1 × 5 = 5
5 × 7 = 35 (Unit digit is 5)
5 × 3 = 15 (Unit digit is 5)
∴ The unit digit of the product (621 × 735 × 4297 × 5313) is 5
Last updated on Apr 9, 2025
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