1.

What is the unit digit in 274123 + 972716 + 123456 is:1. 12. 33. 24. 6

Answer» Correct Answer - Option 1 : 1

GIVEN:

N = 274123 + 972716 + 123456

CALCULATION:

N = 274123 + 972716 + 123456

To find the unit digit –

⇒ 274123 + 972716 + 123456

⇒ (44)30 ×  4+ (24)179 + (34)114

⇒ 4 + 6 + 1

⇒ 11

⇒ Unit digit, 1

∴ The unit digit in 274123 + 972716 + 123456 is 1.

Unit digit of a number is digits in the one's place of the number.

It is rightmost of the number. like 523417, 7 is the unit digit.



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