Maths / Integers / Addition of Integers

QUESTION
 

A and B are two positive integers such that AB  =  64. Which of the following is not the correct value of A  +   B?

OPTIONS
A. 

65

B. 

16

C. 

35

D. 

20

Right Option : C

EXPLANATION
Explain TypeExplanation Content
Text

Factors of 64 and sum them up:1 * 64 = 64 (1 + 64 = 65)2 * 32 = 64 (2 + 32 = 34)4 * 16 = 64 (4 +16 = 20)8 * 8 = 64 (8 + 8 = 16)therefore...35 is the answer

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