Find the unit digit of 73 \times 117 \times 38 \times 97 \times 52.

Madhya Pradesh Police Exam Model Paper 9

Question : 71 of 100

Marks: +1, -0

Find the unit digit of

73 × 117 × 38 × 97 × 52.

Solution:

Given:

73 × 117 × 38 × 97 × 52

Calculation:

73 × 117 × 38 × 97 × 52

Taking unit digits

⇒ 3 × 7 × 8 × 7 × 2

⇒ 21 × 56 × 2

Again taking unit digits

⇒ 1 × 6 × 2

⇒ 12

∴ The unit digit of $73 × 117 × 38 × 97 × 52$ is 2.

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