Question

The unit digit in (652)¹⁹² + (183)²⁰¹ × (174)⁸²⁴ is – 
1. 3
2. 2
3. 4
4. 5

Answer 1

Correct Answer - Option 3 : 4

GIVEN:

N = (652)¹⁹² + (183)²⁰¹ × (174)⁸²⁴

CALCULAION:

N = (652)¹⁹² + (183)²⁰¹ × (174)⁸²⁴

We have to find the unit digit –

N = (652)⁴ + (183)¹ × (174)⁴

Unit digit of N = (2)⁴ + (3)¹ × (4)⁴

Unit digit of N = 6 + 3 × 6

Unit digit of N = 6 + 18

Unit digit of N = 24

Unit digit of N = 4