Arithmetic

Numericals

Easy

applied

The last digit (unit digit) of $12^{25}$ is

✅ Correct Option: 2

The unit digit of $12^n$ follows that of $2^n$ , which cycles as $2,4,8,6$ with period 4. Since $25=4(6)+1$ , the unit digit matches that of $2^1$ , i.e. $2$ .

2026: 22 May Shift 2

At a game of billiards, A can give B 15 points in 60 and A can give C 20 points in 60. How many points can B give C in a game of 180?

2025: 14 May Shift 1

The least non-negative remainder when $3^{128}$ is divided by 7 is:

2025: 22 May Shift 1

The unit's digit in $13^{61}$ is

2026: 21 May Shift 1

$3^{16}$ (mod 4) is equal to

2023: 15 June Shift 2

In a partnership, A invests one-fourth of the capital for one-third of the time, B invests one-third of the capital for one-fourth of the time and C invests the rest of the capital for the whole time. Out of a profit of ₹ 3,500, A's share is :

2025: 22 May Shift 2

If it is 7:00 pm currently in the clock, what will the clock show (in am or pm) after 674 hours?

The last digit (unit digit) of 122512^{25}1225 is

Solution

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CUET Mathematics Past Year Questions (Topic-Wise)

The last digit (unit digit) of $12^{25}$ is