Question
Download Solution PDFFind the units digit of the product
127 × 137 × 413 × 291 × 342 × 533 × 342
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Unit digit of the product:
127 × 137 × 413 × 291 × 342 × 533 × 342
Calculation:
Units digits of the numbers:
127 → 7, 137 → 7, 413 → 3, 291 → 1, 342 → 2, 533 → 3, 342 → 2
⇒ Units digit of (7 × 7) = 49 → Units digit = 9
⇒ Units digit of (9 × 3) = 27 → Units digit = 7
⇒ Units digit of (7 × 1) = 7 → Units digit = 7
⇒ Units digit of (7 × 2) = 14 → Units digit = 4
⇒ Units digit of (4 × 3) = 12 → Units digit = 2
⇒ Units digit of (2 × 2) = 4
The units digit of the product is 4.
The correct answer is option (4).
Last updated on Jul 4, 2025
-> The UP Police Sub Inspector 2025 Notification will be released by the end of July 2025 for 4543 vacancies.
-> A total of 35 Lakh applications are expected this year for the UP Police vacancies..
-> The recruitment is also ongoing for 268 vacancies of Sub Inspector (Confidential) under the 2023-24 cycle.
-> The pay Scale for the post ranges from Pay Band 9300 - 34800.
-> Graduates between 21 to 28 years of age are eligible for this post. The selection process includes a written exam, document verification & Physical Standards Test, and computer typing test & stenography test.
-> Assam Police Constable Admit Card 2025 has been released.