The sum of all the positive factors of 84 which are multiples of 7, is?

113
189
196
112

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 3 : 196

Concept used:

Factor:- A factor of a number is an exact divisor of that number.
Ex:- Factor of 10 = 1, 2, 5 and 10

Calculation:

Positive factors of 84, which are divisible by 7, are 7, 14, 21, 28, 42, 84

∴ Sum of these factors = (7 + 14 + 21 + 28 + 42 + 84) = 196

4 views Answered 2022-09-04 04:29

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